Exercises

Author:Jharkhand Board

Jharkhand Board Science Solutions for Exercises

Simple step-by-step solutions to Exercises questions of Materials: Metals and Non-Metals from SCIENCE : CLASS VIII. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Exercises with Hints & Solutions

MEDIUM
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IMPORTANT
SCIENCE : CLASS VIII>Chapter 4 - Materials: Metals and Non-Metals>Exercises>Q 4

Generally, oxides of non-metals react with acids. 

EASY
8th jharkhand board
IMPORTANT
SCIENCE : CLASS VIII>Chapter 4 - Materials: Metals and Non-Metals>Exercises>Q 4

Sodium is a very reactive metal.

MEDIUM
8th jharkhand board
IMPORTANT
SCIENCE : CLASS VIII>Chapter 4 - Materials: Metals and Non-Metals>Exercises>Q 4

Copper displaces zinc from zinc sulphate solution.

MEDIUM
8th jharkhand board
IMPORTANT
SCIENCE : CLASS VIII>Chapter 4 - Materials: Metals and Non-Metals>Exercises>Q 4

Coal can be drawn into wires.

MEDIUM
8th jharkhand board
IMPORTANT
SCIENCE : CLASS VIII>Chapter 4 - Materials: Metals and Non-Metals>Exercises>Q 6

Give reasons for the following: Immersion rods for heating liquids are made up of metallic substances.

MEDIUM
8th jharkhand board
IMPORTANT
SCIENCE : CLASS VIII>Chapter 4 - Materials: Metals and Non-Metals>Exercises>Q 6

Give reasons for the following: Copper cannot displace zinc from its salt solution.

MEDIUM
8th jharkhand board
IMPORTANT
SCIENCE : CLASS VIII>Chapter 4 - Materials: Metals and Non-Metals>Exercises>Q 6

Give reasons for the following. Sodium and potassium are stored in kerosene.

MEDIUM
8th jharkhand board
IMPORTANT
SCIENCE : CLASS VIII>Chapter 4 - Materials: Metals and Non-Metals>Exercises>Q 9

What happens when iron nails are placed in copper sulphate solution? Write word equations of the reaction involved.