Which of the following is not an abrasive material ?

Related Mcqs:

Yellow phosphorus is transported under____________________?

A. Air B. Water C. Nitrogen D. Helium...

Maleic anhydride is produced by catalytic oxidation of____________________?

A. Toluene B. Ethyl alcohol C. Naphthalene D. Benzene...

Hydrocyanic acid (HCN) is used as an insecticide for____________________?

A. Controlling timber degradation by ants B. Controlling poultry lice C. Potato beetle D. Citrus fruits...

______________ Nature of hypo (sodium thiosulphate) makes it useful in photography ?

A. Oxidising B. Reducing C. Complex forming D. Photochemical...

Presence of H2S in raw water (to be chlorinated) results in the_____________________?

A. Reduced softening capacity of zeolite B. Increased dosage of chlorine to provide a disinfecting residual in the water C. Easy removal of its hardness D. None of these...