B K Gowel and Sangeeta Solutions for Chapter: Physical and Chemical Changes, Exercise 7: EXERCISES

Author:B K Gowel & Sangeeta

B K Gowel Science Solutions for Exercise - B K Gowel and Sangeeta Solutions for Chapter: Physical and Chemical Changes, Exercise 7: EXERCISES

Attempt the free practice questions on Chapter 6: Physical and Chemical Changes, Exercise 7: EXERCISES with hints and solutions to strengthen your understanding. S. Chand's SCIENCE For Class VII solutions are prepared by Experienced Embibe Experts.

Questions from B K Gowel and Sangeeta Solutions for Chapter: Physical and Chemical Changes, Exercise 7: EXERCISES with Hints & Solutions

EASY
7th CBSE
IMPORTANT

Name the type of changes taking place in the following: burning of wax candle.

EASY
7th CBSE
IMPORTANT

Name the type of change taking place in the following: digestion of food in food canal. 
 

EASY
7th CBSE
IMPORTANT

Name the type of change taking place in the following: photosynthesis taking place in green leaves. (chemical/physical)

EASY
7th CBSE
IMPORTANT

Name the type of change taking place in the following: burning a thin strip of magnesium.(physical/chemical)

MEDIUM
7th CBSE
IMPORTANT

Name the type of change taking place in the following: dissolving powdery ash obtained on burning magnesium strip in water.

EASY
7th CBSE
IMPORTANT

Which of these is a physical change? 

MEDIUM
7th CBSE
IMPORTANT

Which of the following is chemical change? 

EASY
7th CBSE
IMPORTANT

When iron rod rusts, it is a