MEDIUM
8th CBSE
IMPORTANT
Earn 100

Solve the following riddles on metals and non-metals: I am a reactive non-metal and I am stored in water.

Important Questions on Metals and Non-metals

MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 4 - Metals and Non-metals>EXERCISE>Q 8
Solve the following riddles on metals and non-metals: I am a metal and exist the liquid state at room temperature. I am also referred to as liquid silver.
MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 4 - Metals and Non-metals>EXERCISE>Q 9
Solve the following riddles on metals and non-metals: I am a non-metal and I am used as a dry lubricant.
MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 4 - Metals and Non-metals>EXERCISE>Q 10
Solve the following riddles on metals and non-metals: I am a non-metal and referred to as the hardest substance.
MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 4 - Metals and Non-metals>EXERCISE>In the Library
In the Library, Collect information about 'electroplating technique' and its usage in the prevention of corrosion.
MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 4 - Metals and Non-metals>EXERCISE>Q 1
Various objects made of different metals and non-metals.
MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 4 - Metals and Non-metals>EXERCISE>Q 2
Collect information about the reasons why the iron pillar in Qutub Minar (situated in Delhi) has not rusted even after so many years.
MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 4 - Metals and Non-metals>EXERCISE>Q 1
The reaction of metal (iron) with dilute hydrochloric acid is used to clean steel before it is coated or plated.
MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 4 - Metals and Non-metals>EXERCISE>Q 2
Metallic oxides are used to enhance the appearance of brick buildings. Why?