What is matte? Give its Composition.

What is alum? Give its composition.

When iron is exposed to moist air, a reddish brown substance is deposited on it. What is it ? Give its composition.

What is Misawite? Give its composition.

What is biogas? Give its composition. Why is biogas preferred to other conventional energy fuels?

What is biogas? Give its composition. Why isbiogas preferred to other conventional energy fuels?

What is biomass? Give the composition of a biogas

What is perhydrol? Give its composition and use.

What is perhydrol? Give its composition and use.

What is Misch metal ? Given its composition and use.