Nivedita Bose and Madhur Gupta Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Worksheet SA

Author:Nivedita Bose & Madhur Gupta

Nivedita Bose Science Solutions for Exercise - Nivedita Bose and Madhur Gupta Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Worksheet SA

Attempt the practice questions on Chapter 6: Physical and Chemical Changes, Exercise 1: Worksheet SA with hints and solutions to strengthen your understanding. LEARNING edge SCIENCE and TECHNOLOGY 7 solutions are prepared by Experienced Embibe Experts.

Questions from Nivedita Bose and Madhur Gupta Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Worksheet SA with Hints & Solutions

EASY
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 6 - Physical and Chemical Changes>Worksheet SA>Q A

Wasting away of metals on exposure to air and moisture is called _____.

MEDIUM
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 6 - Physical and Chemical Changes>Worksheet SA>Q A

A solid formed in a reaction is called a _____.

EASY
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 6 - Physical and Chemical Changes>Worksheet SA>Q B

Change of state is a physical change.

EASY
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 6 - Physical and Chemical Changes>Worksheet SA>Q B

Burning of carbon is a chemical change.

MEDIUM
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 6 - Physical and Chemical Changes>Worksheet SA>Q B

Salt water slows down rusting.

EASY
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 6 - Physical and Chemical Changes>Worksheet SA>Q B

Crystallisation is a chemical change.

EASY
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 6 - Physical and Chemical Changes>Worksheet SA>Q B

Cooking of food is a desirable chemical change.

HARD
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 6 - Physical and Chemical Changes>Worksheet SA>Q F

How will you prove that dissolution of salt in water is a physical change?