MEDIUM
9th Kerala Board
IMPORTANT
Earn 100

What are the activities that increase the amount of carbon dioxide in air?

Important Questions on The World of Carbon

MEDIUM
9th Kerala Board
IMPORTANT
Is the tremendous increase in the amount of CO2 in atmosphere advantageous?
MEDIUM
9th Kerala Board
IMPORTANT
What happens if the amount of CO2 is increased in the earth?
MEDIUM
9th Kerala Board
IMPORTANT
What measure can be taken to avoid the situations that produces carbon monoxide? 
EASY
9th Kerala Board
IMPORTANT
How many electrons are there in the outermost shell of carbon?
EASY
9th Kerala Board
IMPORTANT
How many electrons are there in the outermost shell of carbon?
MEDIUM
9th Kerala Board
IMPORTANT

The names of some allotropes of carbon, their properties and uses are given in the table, but not in the correct order. Match them suitably.

Diamond electric conductor smooth manufacture of ornaments
Graphite Transparent high refractive index lubricant

 

MEDIUM
9th Kerala Board
IMPORTANT

Identify the statement given below is related to carbon monoxide or carbon dioxide.

Formed as a result of incomplete combustion of carbon compound.

MEDIUM
9th Kerala Board
IMPORTANT

Identify the statement given below is related to carbon monoxide or carbon dioxide.

Aqueous solution shows acidic nature.