Namrata and S P Singh Solutions for Chapter: Physical and Chemical Changes, Exercise 1: EXERCISE

Author:Namrata & S P Singh

Namrata Chemistry Solutions for Exercise - Namrata and S P Singh Solutions for Chapter: Physical and Chemical Changes, Exercise 1: EXERCISE

Attempt the free practice questions on Chapter 2: Physical and Chemical Changes, Exercise 1: EXERCISE with hints and solutions to strengthen your understanding. Concise Chemistry Middle School for Class 7 solutions are prepared by Experienced Embibe Experts.

Questions from Namrata and S P Singh Solutions for Chapter: Physical and Chemical Changes, Exercise 1: EXERCISE with Hints & Solutions

MEDIUM
7th ICSE
IMPORTANT

What do you observe when an iron nail is kept in tap water for a few days?

MEDIUM
7th ICSE
IMPORTANT

What do you observe when a spoon of sugar is heated in a pan?

MEDIUM
7th ICSE
IMPORTANT

What do you observe when a light match stick is brought near the mouth of the test tube containing hydrogen gas?

MEDIUM
7th ICSE
IMPORTANT

What do you observe when a quick lime is dissolved in water?

MEDIUM
7th ICSE
IMPORTANT

What do you observe when a little amount of curd is added to a bowl containing warm milk and kept for five hours? 

MEDIUM
7th ICSE
IMPORTANT

Name a chemical change which takes place in presence of heat.

MEDIUM
7th ICSE
IMPORTANT

Name a chemical change which takes place in presence of light.

MEDIUM
7th ICSE
IMPORTANT

Name a chemical change that takes place in presence of electricity.