___________________ iron is the purest form of iron?

Related Mcqs:

In the Solvay process, the product from the calciner is___________________?

A. Light soda ash B. Dense soda ash C. Sodium bicarbonate D. Dehydrated soda ash...

Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like_________________?

A. High cost B. Fragile nature C. Easy poisoning tendency D. All A, B. and C....

White phosphorous is stored under water, because __________________?

A. It does not react with water B. It is poisonous C. Its kindling temperature in dry air is very low D. It is unstable...

Gun powder, which is an explosive comprises of charcoal, sulphur and____________________?

A. Glycerine B. Salt petre C. Nitro glycerine D. Dynamite...

Which glass is usually used in optical work ?

A. Lead glass B. High silica (borosilicate) glass C. Photo-sensitive glass D. Fibre glass...