PHYSICS QUESTION FOR SSS1 THIRD TERM TERM EXAMINATION

(1) Which of the following is NOT the factor that affect the resistance of the
wire (a) Pressure (b) Length (c) Temperature (d) Cross sectional area
(2) ______ is always connected in series in electric circuit (a) Cells (b) Batteries
(c) Voltmeter (d) Ammeter
(3) There are two types of electric cell ______ and______ (a) mechanical cell,
Solar cell (b)Kinetic cell, Potential cell (c) Electrochemical cell, Electrolytic
cell (d) None of the above
(4) Every magnet has at least ______ (a)one north pole and one south pole
(b)one south pole and two north pole (c)two north pole and one south pole
(d)two south pole and two north pole
(5) If a bar magnet is suspended by thread and if it is free to rotate, its south
pole will (a)move towards the south pole of the earth (b)move towards the
east pole of the earth (c)move towards the north pole of the earth (d)move
towards the west of the earth
(6) Temporary magnet can be used in the following EXCEPT (a)electric bell
(b)radio loudspeaker (c)Telephone earpiece (d)induction coil
(7) The magnetic materials which are capable of being magnetized include the
following EXCEPT (a)Glass (b)Nickel (c)Iron (d)Steel
(8) ______ can be defined as the process of removing magnetism from a
magnetic material (a)Magnetization(b)Fermentation (c)polarization
(d)Demagnetization
(9) ______ is the random motion of particles suspended in a fluid (a)Diffusion
(b)Brownian motion (c)Osmosis (d)Surface tension
(10) A drop of oil of volume 10x10-10M3 spreads out on water to make a
circular film of radius 0.15m. calculate the thickness of the film . Take π =
3.142(a)1.41x10-9 m(b)1.34x10-9 (c)2.24x10-9 (d)4.44x10-9
(11) The tendency of the liquid to rise or fall in narrow tube is called
______ (a) Viscosity (b) Capillarity (c) Surface Tension (d) Diffusion
(12) The force of attraction between the molecule of the same kind is
called ______ (a)Adhesive (b)Cohesive (c)viscosity (d)Tension
 (13) The force of attraction between molecules of different kinds is called
(a)Adhesive (b)Cohesive (c)viscosity (d)Tension
(14) The internal friction existing between layers of fluid in motion is
called (a) static friction (b)Viscosity (c) Surface tension (d) limit friction
(15) The unit of current is ___ (a)volt (b)ohm (c)kilogram (d)Ampere
(16) The instrument used to measure the potential different in a circuit is
(a) Ammeter(b)Galvanometer (c) Voltmeter (d) Hypsometer

(17) --------- is used to measure the rate of flow of electric charge along a
conductor
(a) Ammeter (b) Voltmeter (c ) Galvanometer (d) Hypsometer
(18) Electric Current flow from --------------
(a) from positive terminal to positive terminal (b) from positive terminal to
negative termina (c ) from negative terminal to negative terminal (d) from
negative terminal to positive terminal
(19) The source of electric energy is ----------------------
(a) key (b) ammeter (c ) bulb (d) battery
(20) Which of the following is NOT types of circuit
(a) General circuit (b)open circuit (c ) closed circuit (d) short circuit
(21) The formation of hydrogen gas bubbled around the copper plate of the
simple cell is ------ (a) polarization (b) Local action (c) Neutralization (d)
Sublimation
(22) The present of impurities in the zinc plate of simple cell is called ------ (a)
polarization (b) Local action (c) Neutralization (d) Sublimation
(23) Calculate the current in electric wire when the 6 coulomb of charge pass through it
in 2 seconds (a) 12A (b) 13A (c) 14A (d) 20A
(24) The ability of a substance to regain its original shape and size after being
distorted by force is called (a) magnetization (b) elasticity (c) electricity (d)
deformation
(25) The point beyond elastic limit in which the elastic material has yielded all its
elasticity permanently is called (a) Elastic limit (b) Broken point (c) yield point (d)
fixed point
(26) The force required by an elastic material to give a unit extension is called
(a)Yield point (b) Frictional point (c) Viscosity (d) Elastic constant
(27) A force of 0.8N stretched an elastic spring by 2cm (0.02m). find the elastic
constant of the string (a) 50.0NM-1 (b) 16.0NM-1 (c) 40.0NM-1 (d) 80.0NM-1
(28) A ratio of the force to Area is ------- (a) Strain (b) Stress (c) Stuff (d) Young
modulus
(29) The ratio of the extension to the original length is -------- (a) Strain (b) Stress
(c) Stuff (d) Young modulus.
(30) A spring is stretched 40mm by a force of 15N. What is the work done by the
force (a) 0.4J (b)0.7J (c)0.9J (d)0.3J
(31) Force is defined as -------- (a) mass x acceleration (b) mass x velocity (c) mass x
time (d)mass x weight
(32) -------- is the circuit with a gap in the conducting path (a) General circuit (b)
Open circuit (c) Closed circuit (d) Short circuit.
(33) Three (3) resistors of resistance 1 ohm, 2 ohms, 3 ohms are connected side
by side, calculate the equivalent resistance -------- (a) 7.5 ohms (b) 10 ohms (c) 6
ohms (d)4 ohms
(34) According to ohm’s law, the voltage increase while the current -------- (a)
decrease (b) constant (c)increase (d)all of the above
(35) The thicker the wire (conductor) the ------ (a) the internal resistance remain
constant (b) the less the resistance (c) the higher the resistance (d)all of the above
(36) Which of the followings is NOT factor affect the resistance of a conductor (a)
Density of the conductor (b) Length of the conductor (c) Area of the conductor (d)
Temperature
(37) Matter exists in three basic states of ------ , ------, and ----- (a) proton, neutron,
electron (b) element, neutron, molecule (c) molecule, neutron, atom (d) particle,
atom, proton
(38) The movement of molecules from a region of high concentration to a region
of low concentration is called -------- (a) Osmosis (b) Brownian motion (c) Diffusion
(d) Sublimation
(39) Which of the following statement is TRUE (a) molecules of a gas are always in
constant motion (b)molecules of a solid are always in constant motion (c) Solid
confirms to the shape of its container (d)molecules of liquid are rigid
(40) ------- is the internal friction existing between layers of fluid in motion(a)
viscosity (b) surface tension (c) terminal speed (d) Density
SECTION B (THEORY) Answer any three questions

1a. Group the following materials into magnetic and non magnetic
materials. Glass, Iron nail, wooden ruler, plastic, steel rod, pencil, brass
1b) State three (3) magnetic properties of iron and steel.
1c) Mention five (5) uses of magnet

(2a) A resistance wire of length 6m and of uniform cross sectional area 3.0
x107m2 has a resistance 0.2 ohm. Calculate its resistivity.
(2b) Explain the following with the aids of diagram
(1) Open circuit (ii) closed circuit (iii) Short circuit
(2c) Give two examples of (i) Active component of an electrical circuit (ii)
Passive components of an electrical circuit

(3a) Define the following (a) Current (b) Electromotive force (c) potential
different
(3b) State 3 (three) differences between Electrochemical cell and
Electrolytic cell
(3c) A cell of e.m.f 1.5v supplied a current of 0.6A through a coil resistance
2 Ohms . Calculate the internal resistance of the cell

(4a) State Hook’s Law

(4b) Explain the following analysis of analysis of analysis of an elastic body
(i) Yield point (ii) Breaking point (iii) Elastic limit
(4c) A force of 50N is applied at the end of a wire 5m long and produces an
extension 2.5 x 10-4m, if the diameter of the wire is 1.58m, calculate the (i)
stress in the wire (ii) strain in the wire (iii) Young Modulus of the wire

(5a) Define surface tension?

(5b) Why does water wet a clean glass surface whereas mercury does not a
clean glass surface?
(5c) An object of mass 0.1kg is dropped in a fluid, if the object’s length is
given as 2m, Calculate the surface tension of the fluid (Take g = 10m/s 2 )

SS2 chemistry third term

1) The type of chemical reaction when two or more substances combine

to form one simple compound is called (a) Decomposition reaction
(b) catalytic reaction (c) combination reaction (d) reversible reaction
2) A ------- reaction is a chemical reaction which can be made to proceed
in either direction under suitable condition (a) Decomposition
reaction (b) catalytic reaction (c) combination reaction (d) reversible
reaction
3) ---------- involves splitting of a substance into two or more simple
molecules on the application of heat (a) Thermal dissociation (b)
catalytic reaction (c) combination reaction (d) reversible reaction
4) Which of these statement is NOT true about catalyst (a) a catalyst
alter the rate of chemical reaction (b) catalyst affects the type of
product formed in a reaction (c) catalyst does not affect the types of
products formed in a reaction (d) a catalyst remains unchanged in
chemical reaction
5) ----------- is a substance which alters the rate of chemical reaction (a)
Hydrocarbon (b) Electrolysis (c) catalyst (d) Hydrolysis
6) Zn + CUSO4 = ZNSO4 +CU the type of reaction above is ------- reaction
(a) Decomposition (b) Displacement (c) Double decomposition (d)
Thermal dissociation
7) AgNO4 + NaCL = AgCL +NaNO3 The type of reaction above is ---------
(a) Decomposition (b) Displacement (c) Double decomposition (d)
Thermal dissociation
8) 2Pb(NO3)2 = 2PbO +4NO2 + O2 The type of reaction above is called
---------- (a) Decomposition (b) Displacement (c) Double
decomposition (d) Thermal dissociation
9) The ability of an element to displace another in a chemical reaction is
determine by ---------- (a) Position in periodic table (b) the number of
electron present (c) their position in electrochemical series (d) The
number of ions present
10) When the reactants and products are all in the same phase the
type of catalyst is called --------- (a) Heterogeneous catalyst (b)
homogeneous catalyst (c) Redundant catalyst (d) Homoseerpent
catalyst.
11) -------- is a reaction in which oxygen is combines with a
substance (a) Reduction (b) thermal (c) Ionization (d) Oxidation.
12) ---------- is a reaction in which Oxygen is removed from a
substance (a) Reduction (b) thermal (c) Ionization (d) Oxidation.
Use the reaction below to answer question (13) and (14)
CUO + H2 = CU + H2O
13) From the reaction above CUO is --------- (a) a reducing agent
(b) a catalyst agent (c) an Enzyme (d) an oxidizing agent
14) From the reaction H2 is --------- (a) a reducing agent (b) a
catalyst agent (c) an Enzyme (d) an oxidizing agent
15) Which of the these elements is more electronegative (a)
Fluorine (b) Oxygen (c) Nitrogen (d) Bromine
16) A substance ----------- when it is oxidized (a) gain electron (b)
accept electrons (c) Loses electron (d) donated electron.
17) A substance ---------- when it is reduced a) gain electron (b)
accept electrons (c) Loses electron (d) donated electron.
18) All elements in the uncombined state have an oxidation
number of ----------- (a) +1 (b) -1 (c) infinity (d) zero
19) The oxidation number of Manganese (Mn) in KMno4 is -------
(a) +7 (b) +5 (c) +1 (d) +10
20) The chemical formula for Sodiumtetraoxosulphate(vi) is -----
(a) NaSO4 (b) Na2(SO4)2 (c) Na2SHO4 (d) Na2SO3.
21) The positive electrode by which the current enters the
electrolyte is called --------- (a) Cathode (b) Anode (c) Rod (d) wire.
22) The negative electrode by which the current enters the
electrolyte is called -------- (a) Cathode (b) Anode (c) Rod (d) wire.
23) An example of strong electrolyte is -------- (a) Ethanol (b) Salt
(c) Ethanoic (d) Benzene.
24) Which of the following is NOT example of none electrolyte (a)
Salt (b) Urea (c) benzene (d) Urine
25) The assembly of two electrode in an electrolyte is called -------
(a) Electrochemical series (b) Electrolysis (c) Electrochemical cell (d)
none of the above
26) The discharge of ions in the electrolysis is governed by the
following EXCEPT (a) solubility of the substance (b) the nature of the
electrode (c) the concentration of ions (d) the position of the ions in
the electrochemical series.
27) The current flowing in electrolyte is 10A. How long will it take
for 100columbs of electricity to pass through the conductor (a)
20seconds (b) 30seconds (c) 40seconds (d) 10seconds.
Use the information below to answer question (28) and (29). During
electrolysis of CUSO4 (copper(ii)tetraoxosulpate(vI),
28) Which of the following ions migrate to cathode (a) CU2+ ,OH-
(b) H+,OH- (c) CU2+,H+ (d) SO42-,OH-.
29) Which of the following ions migrate to anode (a) CU2+ ,OH- (b)
H+,OH- (c) CU2+,H+ (d) SO42-,OH-.
30) An example of anion is ------ (a) CU2+ (b) Na+ (c) OH- (d) Ca2+
31) Which of the following is NOT example of aliphatic
hydrocarbon (a) alkane (b) benzene (c) alkene (d) alkyne
32) The general molecular formula of alkane is ------ (a) CnH2n+2 (b)
CnH2n (c) H2Cn+1 (d) CnH2n
33) Which of the following compound is a gas (a) Pentane (b)
Hexane (c) Butane (d) Nonane
34) Methane is saturated hydrocarbon because (a) it contains
carbon and hydrocarbon (b) because it contains atoms joined only by
 single bond (c) because it joined by double bonds (d) because it
joined by triple bonds
35) The name of compound C7H16 is ------- (a) Methane (b)
Heptane (c) Nonane (d) Butane
36) The name of compound C4H10 is --------- (a) Methane (b)
Heptane (c) Nonane (d) Butane
37) The compound formed by carbon are divided into two major
categories (a) Benzene and Aliphatic (b) Cracking and reforming (d)
Saturated and unsaturated (d) Aliphatic and Aromatic
38) Which of the following is NOT a characteristic of organic
compounds (a) They are covalent in nature (b) They are volatile (c)
They are immicible with water (d) They have high melting point
39) During electrolysis --------- occurs at the ANODE (a) Reduction
(b) Oxidation (c) Condensation (d) precipitation
40) During electrolysis --------- occurs at the CATHODE (a)
Reduction (b) Oxidation (c) Condensation (d) precipitation

THEORY PART ANSWER ANY THREE 3 QUESTION

(1a) Define Electrolysis?
(1b) State two types of electrode
(1c) Give two example of (i) strong Electrolyte (ii) weak electrolyte
(1d) State two factor that determine the discharge of ions during
electrolysis

(2a) State (i) Faraday’s first law (ii) Faraday’s second law
(2b) For how long must a current of 1.5amperes passed through an
aqueous solution of copper salt during electrolysis in order to deposit
2.5gramms of copper? (CU = 63.5 ,1F=95600C)
(2c) State two 2 uses of electrolysis

(3a) State four 4 types of chemical reaction

(3b) State the types of chemical reaction that occurred in
(i) The action of heat on lead(ii)trioxonitrate(v) (Pb(NO3)2)
(ii) The reaction between sodium (Na) and Chlorine (CL)
(3c) Define accurately the term catalyst
(3d) State two characteristic of a catalyst

(4a) Define the terms (i) Oxidation (ii) Reduction (iii) Reducing agent
(iv) Oxidizing agent
(4b) Find the oxidation number of sulphur in (i) H2SO4 (ii) Na2SO4
(4c) In the chemical reaction CUO+CO ---- CU+CO2 . Which of the
elements undergoes (i) Reduction (ii) Oxidation (iii) reducing Agent
(iii) Oxidizing agent

(5a) What is organic chemistry?

(5b) write the general molecular formula of alkane
(5c) The compound formed by carbon are divided into two major
categories , list the two major categories and give one example each
(5d) explain the term saturated and unsaturated hydrocarbon