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DPP - 01 Mole Concept

This document contains a 10 question chemistry practice test on the mole concept. The questions cover topics like calculating the number of atoms or molecules in a given mass of a substance, gram atomic masses, physical properties of gases and liquids, and significant figures. An answer key is provided at the end with the correct response for each question labeled as S1 through S10. Additional information includes the test date, subject, and a hashtag promoting Sankalp selection.

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AYUSH BAGCHI
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743 views3 pages

DPP - 01 Mole Concept

This document contains a 10 question chemistry practice test on the mole concept. The questions cover topics like calculating the number of atoms or molecules in a given mass of a substance, gram atomic masses, physical properties of gases and liquids, and significant figures. An answer key is provided at the end with the correct response for each question labeled as S1 through S10. Additional information includes the test date, subject, and a hashtag promoting Sankalp selection.

Uploaded by

AYUSH BAGCHI
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Neutron NEET 2024 Chemistry Sankalp

20244 Mole Concept


DPP - 01
Introduction of Mole
12
1. Sum of number of protons, electrons and neutrons in 12g of 6𝐶 is:-
(a) 1.8
(b) 12.044 × 1023
(c) 1.084 × 1025
(d) 1.084 × 1023

2. The number of atoms present in 16 g of oxygen is


(a) 6.02 × 1011.5
(b) 3.01 × 1023
(c) 3.01 × 1011.5
(d) 6.02 × 1023

3. Which of the following contains maximum number of atoms?


(a) 4 g of 𝐻2
(b) 16 g of 𝑂2
(c) 28 g of 𝑁2
(d) 18 g of 𝐻2 𝑂

4. Number of oxygen atoms in 8 g of ozone is -


(a) 6.02 × 1023
6.02×1023
(b) 2
6.02×1023
(c) 3
6.02×1023
(d) 6

5. The number of molecule in 4.25 g of 𝑁𝐻3 is -


(a) 1.505 × 1023 (b) 3.01 × 1023
(c) 6.02 × 1023 (d) None of these

6. Which contains least no. of molecules :-


(a) 1 g 𝐶𝑂2
(b) 1 g 𝑁2
(c) 1 g 𝑂2
(d) 1 g 𝐻2

7. Gram atomic weight of oxygen is


(a) 16 amu (b) 16 g
(c) 32 amu (d) 32 g

8. Which of the following statement is correct?


(a) Liquids have definite volume but not
the definite shape
(b) Gases have neither definite volume
nor definite shape
(c) Both A and B
(d) None of the above

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Neutron NEET 2024 Chemistry Sankalp
20244 Mole Concept
DPP - 01
9. Which one of the following cannot be separated by the process of sublimation?
(a) camphor
(b) Iodine
(c) Ammonium chloride
(d) Copper sulphate

10. How many significant figures are in 0.0008?


(a) 1 (b) 2
(c) 3 (d) 4

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Neutron NEET 2024 Chemistry Sankalp
20244 Mole Concept
DPP - 01
Answer Key

S 1. Ans. (c)

S 2. Ans. (d)

S 3. Ans. (a)

S 4. Ans. (b)

S 5. Ans. (a)

S 6. Ans. (a)

S 7. Ans. (b)

S 8. Ans. (c)

S 9. Ans. (d)

S 10. Ans. (a)

APP Link - https://bit.ly/3LSWDIc

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