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T (1) Chapter # 1

This document is a test paper for 9th grade Chemistry at Al-Quaid Academy, covering Chapter 1 with a total of 35 marks. It includes objective questions with multiple-choice answers and subjective questions requiring detailed responses. The test is supervised by Teacher Sir Awais and is part of the 2021 Test Session (T1).

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Awais Humayun
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43 views2 pages

T (1) Chapter # 1

This document is a test paper for 9th grade Chemistry at Al-Quaid Academy, covering Chapter 1 with a total of 35 marks. It includes objective questions with multiple-choice answers and subjective questions requiring detailed responses. The test is supervised by Teacher Sir Awais and is part of the 2021 Test Session (T1).

Uploaded by

Awais Humayun
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Al-Quaid Academy

Subject Chemistry Class: 9th Chapter # 1 Total Marks = 35 Date:________

Name Father’s Name Day: Test Session


________________ _____________ 2021 (T1)
Mon Tue Wed
Fri Sat Sun

(Objective)
Tick the right option. 11x1=11

QNo1: Choose the right option. A B C D


1. Which of the following element is found Oxygen Argon Nitrogen Iron
in most abundance in the Atmosphere?
2. The molar Mass of H2SO4 is: 98g 98 amu 9.8g 9.8 amu
3. The Empirical Formula of Benzene is : CH C6H6 CH6 None of
these
4. Which of the following is 11% in Oceans? H O Al N

5. How many elements are naturally occurring in 99 92 118 100


Nature?
6. Mass of Neutron is : 1.0087 amu 1.0073amu 1.674x10-24g Both ‘a’ &
‘c’

7. H2CO3 is an example of : Di-Atomic Hetro-Atomic Poly-Atomic Both ‘b’ &


‘c’

8. 1 amu is equal to : 1.0087 g 1.76x10-24g 1.66x10-24g 1.66x1024g

9. Which branch cover petroleum and Industrial Analytical Organic Inorganic


pharmaceutical : chemistry chemistry chemistry chemistry

10. Brass is a mixture of : Zinc and copper Zinc and silver Copper and Copper and
silver gold

11. Impure state of matter is : Substance Mixture Elements Compound

Teacher Name: Sir Awais


(Subjective)
QNo2:- Answer the following Questions. (Attempt All) 8x2 = 16
1) Differentiate Between Molecular and empirical formula give one example.
2) Define relative atomic mass and how it is related to gram “g “.
3) Define Nuclear Chemistry.
4) Define Mole also give its formula.
5) Differentiate between atomic number and mass number. Give example.
6) Differentiate between homogenous mixture and heterogeneous mixture.
7) s Differentiate between ion and free radical.
8) Define organic chemistry and give its scope.
QNo3:- Answer the following Questions.
1) Differentiate between compound and mixture. (4)
2) Define molecule and explain its type. (4)

Teacher Name: Sir Awais

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