Explore topic-wise MCQs in Chemistry.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

A balloon filled with 5g of hydrogen contains

A. 2.48 moles of H2
B. 3.48 moles of H2
C. 4.48 moles of H2
D. 5 moles of H2
Answer» B. 3.48 moles of H2
Discussion
2.

6.022 * 10²³ atoms of Sulphur contains

A. 2 moles
B. 3 moles
C. 4 moles
D. 1 mole
Answer» E.
Discussion
3.

1 mole of a substance refers to

A. molar mass
B. atomic mass
C. electron mass
D. neutron mass
Answer» B. atomic mass
Discussion