ICSE.X. CHEMISTRY. 5. MOLE CONCEPT AND STOICHIOMETRY

ICSE.X. CHEMISTRY. 5. MOLE CONCEPT AND STOICHIOMETRY

6th Grade

20 Qs

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ICSE.X. CHEMISTRY. 5. MOLE CONCEPT AND STOICHIOMETRY

ICSE.X. CHEMISTRY. 5. MOLE CONCEPT AND STOICHIOMETRY

Assessment

Quiz

Mathematics

6th Grade

Practice Problem

Easy

Created by

Nitin sir

Used 1+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculate the molecular mass of ethane.

12

14

24

30

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculate the molecular mass of a hydrocarbon, if its vapour density is 8.

8

16

24

32

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the empirical formula for benzene?

CH

CH2

CH3

CH4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculate the empirical formula of C2H4O2.

CH2O

C2H4O

CH2O2

CH2O

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be the empirical formula of C2H2?

CH4

C2H4

CH

C4H1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculate the empirical formula mass of C2H4.

15

18

21

24

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following correctly represents the empirical formula of acetic acid?

CHO

C2H4O

CH2O2

CH2O

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