Molar mass of ${\mathrm{CO}}_2$ is

Important Questions on Atoms and Molecules

MEDIUM

9th CBSE

IMPORTANT

Essentials of Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions MCQs>Q 25

Formula of a compound formed by M⁺ and X^2- ions, is:

MEDIUM

9th CBSE

IMPORTANT

Essentials of Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions MCQs>Q 26

Sulphate ion is:

EASY

9th CBSE

IMPORTANT

Essentials of Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions MCQs>Q 27

Carbonate ion is:

EASY

9th CBSE

IMPORTANT

Essentials of Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions MCQs>Q 28

Molecular mass of CH₄ is (C = 12 u, H = 1 u)

EASY

9th CBSE

IMPORTANT

Essentials of Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions MCQs>Q 29

${\mathrm{CaCl}}_2$ is :

EASY

9th CBSE

IMPORTANT

Essentials of Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions MCQs>Q 30

${\mathrm{Na}}_2{\mathrm{CO}}_3$is:

HARD

9th CBSE

IMPORTANT

Essentials of Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions MCQs>Q 31

The formula of a compound formed by ${\mathrm{Ca}}^{2+}$ and ${\mathrm{O}}^{2-}$ is:

EASY

9th CBSE

IMPORTANT

Essentials of Chemistry>Chapter 3 - Atoms and Molecules>Multiple Choice Questions MCQs>Q 32

Formula of a compound formed by ${\mathrm{Fe}}^{3+}$ and ${{\mathrm{SO}}_4}^{2-}$ is: