MEDIUM
8th CBSE
IMPORTANT
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Write the word equation for the following reaction:
Sodium combining with oxygen.

Important Questions on Metals and Non-metals

MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>EXERCISES>Q 2
Write word equations for the following reaction:
Sodium oxide being dissolved in water.
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>EXERCISES>Q 2
Write a word equation for the following reaction:
Placing pieces of impure zinc into hydrochloric acid.
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>EXERCISES>Q 2
Write word equation for the following reaction:
Adding copper turnings to sulphuric acid.
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>EXERCISES>Q 2
Write a word equation for the following reaction:
Dipping magnesium wire into nitric acid.
EASY
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>EXERCISES>Q 3
Name a non-metal which is lustrous and a good conductor of electricity.
MEDIUM
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>EXERCISES>Q 4
What is the effect of oxygen and moisture on raw iron?
HARD
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>EXERCISES>Q 5
What do you understand by the activity of metals? Which metal is the most reactive and which one is the least reactive?
HARD
8th CBSE
IMPORTANT
SCIENCE For Class VIII>Chapter 4 - Metals and Non-metals>EXERCISES>Q 6
What is corrosion? How do we protect metals from being corroded?