MEDIUM
8th CBSE
IMPORTANT
Earn 100

is the non-metal which is a good conductor of electricity.

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Important Questions on Materials: Metals and Non-Metals
MEDIUM
8th CBSE
IMPORTANT
The portion of grey nail which is inside the blue solution of copper sulphate becomes _____.

MEDIUM
8th CBSE
IMPORTANT
The change in colour of the dipped portion of the iron nail in copper sulphate solution is because of the deposition of _____.

MEDIUM
8th CBSE
IMPORTANT
The portion of grey nail which is inside the blue solution of copper sulphate becomes reddish brown.
The activity shows ______.

MEDIUM
8th CBSE
IMPORTANT

MEDIUM
8th CBSE
IMPORTANT

MEDIUM
8th CBSE
IMPORTANT

MEDIUM
8th CBSE
IMPORTANT
What happens when the following metals react with dilute hydrochloric acid?
(a) magnesium

MEDIUM
8th CBSE
IMPORTANT
What happens when the following metals react with dilute hydrochloric acid?
(b) Aluminium
