Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Short Answer Type Questions>Q 48

EASY

9th CBSE

IMPORTANT

Earn 100

Calculate the molecular mass of chloroform ( ${CHCl}_{3}$ ).

Important Questions on Atoms and Molecules

EASY

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Short Answer Type Questions>Q 49

Calculate the molecular mass of hydrogen bromide

(HBr)

.

EASY

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Short Answer Type Questions>Q 50

Calculate the molecular mass of the following compound:

Hydrogen sulphide, $H_{2} S$

EASY

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Short Answer Type Questions>Q 50

Calculate the molecular mass of the following compound:

Carbon disulphide, ${CS}_{2}$

EASY

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Long Answer Type Questions>Q 51

State the law of conservation of mass. Give one example to illustrate this law.

EASY

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Long Answer Type Questions>Q 52

State the law of constant proportions. Give one example to illustrate this law.

MEDIUM

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Long Answer Type Questions>Q 53

State the various postulates of Dalton's atomic theory of matter.

EASY

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Long Answer Type Questions>Q 53

Which postulate of Dalton's atomic theory can explain the law of conservation of mass?

MEDIUM

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 3 - Atoms and Molecules>Long Answer Type Questions>Q 53

Which postulate of Dalton's atomic theory can explain the law of constant proportion?