Revised by Translated by : Hassan Al-

Mr: Ragab Gad

SAAT Collections 1436 Alawi and Alhussain-
Halawani
1. An electrical energy is formed from the chemical reaction in :
A. Voltaic cells {galvanic cell} B. Electrolytic cells
C. --- D. ---
Answer: A (also called Daniell Cell )
2. How many bonds does carbon element make with other atoms
A. 3 B. 4
C. 5 D. 6
Answer: B
3. An electrically neutral atom has:
A. Number of protons equals number of neutrons B. Number of electrons equals number of neutrons
C. Number of protons equals number of electrons D. Atomic number equals mass number
Answer: C
4. If the substance has a definite chemical composition and contains more than one
element it is called:
A. Homogeneous mixture B. Heterogeneous mixture
C. Compound D. -------
Answer: C
5. In the relationship between solubility and temperature, the substance that dissolve faster the most

at higher temperatures is:

A. E B. F
C. G D. H
Answer: D
6. The smallest unit of the atom that contains the identity of the element is:
A. Atom B. protons
C. electrons D. neutrons
Answer: A
7. Fluorine element:
A. Has the largest radius B. Has the largest ionization energy
C. ------ D. --------
Answer: B

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8. What does this reaction produce: fructose + glucose  ?
A. Sucrose B. lactose
C. cellulose D. maltose
Answer: A
9. The oxidation of CH3CHO produces: aldehyde
A. CH3CH2OH B. CH3COOH
C. CH3COCH3 D. CH3OCH3
Answer: B
10. Phosphor Element (P) atomic no.: 15 , has ______ valence electrons
A. 2 B. 3
C. 4 D. 5
Answer: B
11. In alpha decay the atomic number Z and mass number A become:
A. Z+2 , A+4 B. Z-2 , A+4
C. Z+2 , A-4 D. Z-2, A-4
Answer: D
12. In the element 82Pb , number of protons is:
216

A. 82 B. 128
C. 210 D. 292
Answer: A
132
13. Number of neutrons in 55Cs
A. 55 B. 77
C. 132 D. 187
Answer: B
14. In the following reaction: 2Na(s) + Br2(l)  2NaBr(s) . the oxidizing agent is:
A. Br2 B. Na
C. Na+ D. NaBr
Answer: A
O

15. This organic compound is classified as

A. Aldehydes B. Carboxylic Acids
C. Alcohols D. Ketones
Answer: B
16. Which of the following is the correct relationship between nitrogenous bases?
A. A – T , C – G B. G – T , A – C
C. A – G , C – T D. U – C , A – G
Answer: A
17. Which of the following is a single replacement reaction?
A. 2Al(s) + 3S(s)  Al2S3 B. 2Li(s) + 2H2O(l)  2LiOH(aq) + H2(g)
C. H2O(l) + N2O5(g)  2HNO3(aq) D. 4NO2 (g) + O2(g)  2N2O5(g)
Answer: B

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18. The charge of the aluminum ion 13Al is
A. -3 B. -2
C. +2 D. +3
Answer: D
19. The compound produced when water is added to ethylene is:

A. CH3CH2OH B. CH3CH3
C. CH3CHO D. CH3COOH
Answer: A
20. Oxidation number of nitrogen in HNO3
A. +3 B. +5
C. -3 D. -5
Answer: B
21. The pH of a strong acid could be:
A. 14 B. 7
C. 4 D. 1

22. Which of the following is a nonpolar compound

A. HCl B. CH4
C. H2O D. NH3
Answer: B

23. Which of these elements is more stable?

A. Ne B. Na
C. Ca D. K

24- . If water changes down into oxygen and hydrogen find the moles of water
produces of 3 mole of oxygen 2H2O------------------> 2H2 + O2
A. 6 mole B. 4 mole
C. 8 mole D. 64 mole

25- . When you add a non-volatile substance to a solution

A. Boiling point increases and freezing point decreases B.XXXX
C.XXXX D.XXXX

26. P1V1=P2V2 This law is called?

A. Charles’s law B. Boyle’s law
C. Blanc’s law D. le Heyzenburg law

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 27. If we want to form 60 amino acids how many mRNA nucleotide we would need?
A. 120 B. 140
C. 160 D. 180

28. The solutions becomes a base when?

A. PH<7 B. PH>7
C. POH>7 D. XXXX

29. During chemical equilibrium the speed of the forward reaction and the reversible
reaction are
A. High B. Zero
C. Equal D. Different

30. Which of these elements have the strongest covalent bond?

A. N2 B. O2
C. Cl2 D. XXXX

31. How many moles are in a 0.5L solution that has a Molarity of 2.4
A. 12 B. 2.4
C. 3.5 D. 4.5

32. What formulas of compound formed between F9 and K19

A. Ionic compounds B. Metallic compounds
C. Molecular compounds D. XXXX

33. What is the color of the gas NO2

A. yellow B. Greenish blue
C. black D. Brownish red

34. Which of these properties are a chemical property for metals

A. Higher density than water B. Good conductor of heat and electricity
C. They are malleable and ductile D. Forms rust in air

35. The device used to produce electrical energy from reversing oxidation and reduction by is?
A. Alkaline Battery B. Dry cell
C. Secondary battery D. Silver Cell

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36. The seventeenth group17 of elements in the periodic table are called?
A. Halogens B. Alkali metals
C. alkaline earth metals D. Noble gases

37. The number that determines the atomic energy level is?
A. Main B. Secondary
C. Spin D. Orbital

38. The mass number in an element represent?

A. Number of protons B. Number of neutrons
C. Atomic number + neutrons D. Number of electrons + Neutrons

39. Which of the following is not in the third energy level

A. 3F B. 4S
C.5P D.XXXX

40. If OH =[ 10-5] find the pH

A. 9 B. 5
C. 4 D.XXXX
41. The number of hydroxyl group in the following compound Al[OH]3
A. 3 B. 4
C. 1 D. 2
SAAT Collections 1437

42- Which of the following is a chemical property?

a- Boiling b- Vaporization
c- Silver losing its luster d- Melting
Answer: C
43- General structure for ethers:
E. R - OH A- R–O–R
B- R – NH2 C- ---
Answer: B
44- Which of the following is a chemical property of salt?
A- Salty taste B- White color
C- Crystalline structure D- Doesn’t react with pure water
Answer: D
45- Oxidation of a primary alcohol gives us:
A- Ketone B- Carboxylic acid
C- Aldehyde D- ---
Answer: C

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55- Which of the following is a polar compound?
A- H2O B- CO2
C- ---- D- ----
Answer: A
56- Number of hydrogen atoms that can form a bond with a carbon atom:
A- 8 B- 4
C- 2 D- 1
Answer: B
57- Which of the following has the highest boiling point?
A- MgO B- NaCl
C- HCl D- H2O
Answer: A
58- A solution that resists change in pH:
A- Buffer solution B- ---
C- --- D- ---
Answer: A
59- One of disaccharides:
A- Sucrose B- Cellulose
C- Starch D- Fructose
Answer: A
60- Which of the following compounds is a carboxylic acid?
A- CH3COOH B- ---
C- --- D- ---
Answer: A
61- Chlorofluorocarbon compound destroys:
A- Ozone layer B- ---
C- --- D- ---
Answer: A
62- Which of the following statements describes a solid?
A- Its particles are held tightly B- ---
C- --- D- ---
Answer: A
63- The best method to prepare an acidic solution:
a- Heat the acid then add it to water b- Cool the acid then add it to water
c- Add water slowly to the acid d- Add the acid slowly to water
Answer: D
64- How many moles of water are needed to react with 92 g of sodium? (molar mass
of sodium is 23 g/mol)
A- 2 B- 3
C- 4 D- 1
Answer: C, step 1: divide 92 by 23 = about 4 mol Na. Step 2: write the chemical equation: 2Na
+ 2H2O  2NaOH + H2 . Step 3: multiple by the ration of water to sodium (2/2).

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 65- General formula for alkenes?
A- CnH2n B- CnH2n+2
C- CnH2n-2 D- CnHn
Answer: A
66- When is an atom neutral?
A- When electrons equal protons B- ---
C- --- D- ---
Answer: A
67- A mixture of water and sand can be separated by:
A- Distillation B- Crystallization
C- filtration D- ---
Answer: C
68- which is the strongest chemical bond
A. Covalent bonds B. Dipolar bonds
C. Van Der Waals force D. Ionic bonds
Answer: D

69- One of the following liquids is used to measure temperature

A. Iodine B. bromine
C. Alcohol D. Chromium
Answer: C

70- - The science of studying the structure of matter is

A. Analytical chemistry B. the study of atoms
C. the study of physics D. biochemistry
Answer: A

71- - Metallic atoms are usually more active because?

A. its ability to lose an electron easily B. its ability to gain electrons easily
C. they are widely spread in earth’s crust D.XXXX
Answer: A
72- . The oxidizing agent in the following equation is?

A. Na B. Br2
C. Na+ D.XXXX
Answer: B

73- What happens to the oxidizing agent

A. Reduced B. oxidized
C. D.
Answer: A

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 74- . Which of the following compounds changes its size when its frozen
A. H2O B. HCl
C. CO2 D. NH3
Answer: A

75- . Which of the following is an example for a polysaccharide?

A. Fructose B. Cellulose
C. lactose D. Glucose
Answer: B

76- . To increase the solubility of gases in water?

A. Lower pressure B. Increase pressure and lower temperature
C. increase volume D. Increase temperature
Answer: B

77- . What is the type of a substance that has an oxidation number of +2

A. Noble gas B. alkaline earth Metal
C. Non-metal D. Metalloid
Answer: B

78- . The name of the elements in the 17th group in the periodic table is?
A. Noble gases B. Alkaline earth metal
C. Halogens D. Alkali metals
Answer: C

79- . The number that determines the quantum energy level is?
A. Principle quantum number B. Azimuthal quantum number
C.XXXX D. Spin quantum number
Answer: A
80- . When do we call the energy stored inside of us?
A. Electric energy B. Kinetic energy
C. Light energy D. Potential energy
Answer: D

81- . Solubility ( solvation ) is?

A. The surrounding of solvent particles to solute particles B.
C. D.
Answer: A

82- . Which of the following property is physical (quality)

A. Density B.
C. D.
Answer: A

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 83- . A negative charged particle that revolve around the nucleus is called?
A. Protons B. Electrons
C. D.
Answer: B

84- . Which of the following is the right equation for the cell potential
A. E cell = E red - E oxd. B. E cell = E cat + E anode
C. E cell =E red x E anode D. E cell = E ca t/ E anode
Answer: A

85- . The following reaction is : Mg + Cl2  MgCl2

A. Decomposing B. synthesis / combination
C. D.
Answer: B

86- . Which of the following is true about the nitrogenous bases in DNA
A. A-T G-C B. G-T A-C
C. A-G T-C D. U-T G-A
Answer: A