Manipur Board Solutions for Chapter: Atoms and Molecules, Exercise 3: EXERCISES

Author:Manipur Board

Manipur Board Science Solutions for Exercise - Manipur Board Solutions for Chapter: Atoms and Molecules, Exercise 3: EXERCISES

Attempt the free practice questions on Chapter 3: Atoms and Molecules, Exercise 3: EXERCISES with hints and solutions to strengthen your understanding. Science for Class 9 solutions are prepared by Experienced Embibe Experts.

Questions from Manipur Board Solutions for Chapter: Atoms and Molecules, Exercise 3: EXERCISES with Hints & Solutions

HARD
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 3 - Atoms and Molecules>EXERCISES>Q 1

What are the postulates of Dalton's atomic theory?

HARD
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 3 - Atoms and Molecules>EXERCISES>Q 2

3 g of Magnesium combines with 2 g of Oxygen to produce 5 g of Magnesium oxide compound. If 6 g of Magnesium is allowed to react with 20 g of Oxygen, what mass of Magnesium oxide will be produced in the reaction? Name the law which governs your answer.

HARD
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 3 - Atoms and Molecules>EXERCISES>Q 3

Distinguish between atom and a molecule of an element.

MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 3 - Atoms and Molecules>EXERCISES>Q 4

Define atomic mass unit.

HARD
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 3 - Atoms and Molecules>EXERCISES>Q 5

Why are atoms regarded as building blocks of all matter?