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

Important Questions on Changes Around Us

MEDIUM

6th CBSE

IMPORTANT

CANDID New Trends in SCIENCE 6>Chapter 6 - Changes Around Us>TEST YOUR KNOWLEDGE>Q G

Explain the difference between physical and chemical changes

MEDIUM

6th CBSE

IMPORTANT

CANDID New Trends in SCIENCE 6>Chapter 6 - Changes Around Us>TEST YOUR KNOWLEDGE>Q G

Explain the difference between reversible and irreversible changes.

EASY

6th CBSE

IMPORTANT

CANDID New Trends in SCIENCE 6>Chapter 6 - Changes Around Us>TEST YOUR KNOWLEDGE>Q H

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

CANDID New Trends in SCIENCE 6>Chapter 6 - Changes Around Us>TEST YOUR KNOWLEDGE>Q H

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

EASY

6th CBSE

IMPORTANT

CANDID New Trends in SCIENCE 6>Chapter 6 - Changes Around Us>TEST YOUR KNOWLEDGE>Q H

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

EASY

6th CBSE