EASY
7th Andhra Pradesh Board
IMPORTANT
Earn 100

Identify whether the statement is correct or not. If not then rewrite the statement correctly:

Condensation of steam is not a chemical change.

Important Questions on Changes Around Us

EASY
7th Andhra Pradesh Board
IMPORTANT
Science Class VII>Chapter 17 - Changes Around Us>Improve your learning:>Q 8

Identify whether the statement is correct or not. If not then rewrite the statement correctly:

Burning of magnesium in air is a chemical change.

EASY
7th Andhra Pradesh Board
IMPORTANT
Science Class VII>Chapter 17 - Changes Around Us>Improve your learning:>Q 9
The chemical name for vinegar is _____.
EASY
7th Andhra Pradesh Board
IMPORTANT
Science Class VII>Chapter 17 - Changes Around Us>Improve your learning:>Q 9
The change in which only the _____ properties of a substance change are called physical changes. (chemical/physical)
EASY
7th Andhra Pradesh Board
IMPORTANT
Science Class VII>Chapter 17 - Changes Around Us>Improve your learning:>Q 9
Changes in which new substances are formed are called _____ changes.
EASY
7th Andhra Pradesh Board
IMPORTANT
Science Class VII>Chapter 17 - Changes Around Us>Improve your learning:>Q 9
Magnesium + Oxygen → _____
EASY
7th Andhra Pradesh Board
IMPORTANT
Science Class VII>Chapter 17 - Changes Around Us>Improve your learning:>Q 9
Copper sulphate + Iron → _____
MEDIUM
7th Andhra Pradesh Board
IMPORTANT
Science Class VII>Chapter 17 - Changes Around Us>Improve your learning:>Q 10
The gas we use in the kitchen is in the form of liquid in the cylinder. When it comes out from the cylinder it becomes a gas (step-I), then it burns (step-II). Choose the correct statement from the following:
MEDIUM
7th Andhra Pradesh Board
IMPORTANT
Science Class VII>Chapter 17 - Changes Around Us>Improve your learning:>Q 10
Bacteria digest animal wastes and produce a biogas (step-I). This biogas is then burnt as a fuel (step-II). Choose the correct statement from the following: