MS. Tejinder Sondhi Solutions for Exercise 1: TEST YOUR KNOWLEDGE

Author:MS. Tejinder Sondhi

MS. Tejinder Sondhi Science Solutions for Exercise - MS. Tejinder Sondhi Solutions for Exercise 1: TEST YOUR KNOWLEDGE

Attempt the free practice questions from Exercise 1: TEST YOUR KNOWLEDGE with hints and solutions to strengthen your understanding. CANDID New Trends in SCIENCE 6 solutions are prepared by Experienced Embibe Experts.

Questions from MS. Tejinder Sondhi Solutions for Exercise 1: TEST YOUR KNOWLEDGE with Hints & Solutions

MEDIUM
6th CBSE
IMPORTANT

Give examples to show that when substances are mixed, it may result in a chemical or physical change depending on the conditions.

HARD
6th CBSE
IMPORTANT

When a candle burns, both physical and chemical changes occur. Explain.

MEDIUM
6th CBSE
IMPORTANT

Explain the difference between physical and chemical changes

MEDIUM
6th CBSE
IMPORTANT

Explain the difference between reversible and irreversible changes.

EASY
6th CBSE
IMPORTANT

Plants prepare their own food by using carbon dioxide and water in the presence of sunlight and chlorophyll.
(a) Is it a chemical change or a physical change?
(b) How many substances are taking part in the change? Name these substances.
(c) Name the form of energy involved in this change.
 

EASY
6th CBSE
IMPORTANT

Give an example of reversible change which is useful to us.

EASY
6th CBSE
IMPORTANT

Give an example of irreversible change which is useful to us.

EASY
6th CBSE
IMPORTANT

Which of the following is a physical and reversible change?