R R Misra Solutions for Chapter: Atoms and Molecules, Exercise 2: Problems for Proficiency

Author:R R Misra

R R Misra Chemistry Solutions for Exercise - R R Misra Solutions for Chapter: Atoms and Molecules, Exercise 2: Problems for Proficiency

Attempt the free practice questions on Chapter 3: Atoms and Molecules, Exercise 2: Problems for Proficiency with hints and solutions to strengthen your understanding. Secondary Chemistry solutions are prepared by Experienced Embibe Experts.

Questions from R R Misra Solutions for Chapter: Atoms and Molecules, Exercise 2: Problems for Proficiency with Hints & Solutions

EASY
9th CBSE
IMPORTANT

Write the names of the two laws of chemical combinations which lead to the idea of atoms.

EASY
9th CBSE
IMPORTANT

State the law of constant composition.

MEDIUM
9th CBSE
IMPORTANT

Write the main postulates of Dalton's atomic theory.

EASY
9th CBSE
IMPORTANT

The type and number of atoms in a compound are _____ irrespective of source.

EASY
9th CBSE
IMPORTANT

In a chemical reaction the mass is _____. [conserved / variable]

EASY
9th CBSE
IMPORTANT

Law of conservation of mass was proposed by _____. (Lavoisier / Dalton)

EASY
9th CBSE
IMPORTANT

Law of constant proportion was proposed by _____. (Proust /John Dalton / Lavoisier)

EASY
9th CBSE
IMPORTANT

Choose the correct word from the brackets to fill in the blank.
The atomic theory of matter was proposed by _____. (Dalton / Bohr / Rutherford)