K K Gupta and Stalin Malhotra Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Let's revise

Author:K K Gupta & Stalin Malhotra

K K Gupta Science Solutions for Exercise - K K Gupta and Stalin Malhotra Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Let's revise

Attempt the free practice questions on Chapter 6: Physical and Chemical Changes, Exercise 2: Let's revise with hints and solutions to strengthen your understanding. Frank Everyday Science solutions are prepared by Experienced Embibe Experts.

Questions from K K Gupta and Stalin Malhotra Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Let's revise with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT

A chemical change is usually _____ and permanent.

MEDIUM
7th CBSE
IMPORTANT

_____ is an alloy of iron. (brass / stainless steel)

MEDIUM
7th CBSE
IMPORTANT

Souring of milk is a physical change.

MEDIUM
7th CBSE
IMPORTANT

Digestion of food is a physical change.

HARD
7th CBSE
IMPORTANT

Crystallisation is widely used to prevent rusting.

MEDIUM
7th CBSE
IMPORTANT

Formation of steam from water on heating is a physical change.

MEDIUM
7th CBSE
IMPORTANT

Rusting of iron is a chemical change.

MEDIUM
7th CBSE
IMPORTANT

Growing of seed into a plant is which type of change? (Physical change / Chemical change)