MEDIUM
8th Chhattisgarh Board
IMPORTANT
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is a good conductor of heat and electricity.

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Important Questions on Metals and Non-Metals

MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 5 - Metals and Non-Metals>NOW ANSWER THESE>Q 1
What is the nature of the solution of magnesium oxide dissolved in water?
MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 5 - Metals and Non-Metals>NOW ANSWER THESE>Q 2
What happens when zinc pieces are put into a copper sulphate solution?
MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 5 - Metals and Non-Metals>NOW ANSWER THESE>Q 3
Does copper displace iron from ferrous sulphate solution?
MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 5 - Metals and Non-Metals>NOW ANSWER THESE>Q 4
Why are pickles not kept in aluminium or iron vessels?
MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 5 - Metals and Non-Metals>NOW ANSWER THESE>Q 5
Which gas is produced normally when metals react with acids?
MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 5 - Metals and Non-Metals>NOW ANSWER THESE>Q 1
What are noble metals?
MEDIUM
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 5 - Metals and Non-Metals>NOW ANSWER THESE>Q 2
What do you understand by corrosion? How can you protect metals from corrosion by electroplating?
HARD
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 5 - Metals and Non-Metals>NOW ANSWER THESE>Q 3
Give the constituents of bronze and steel?