Function of sodium thiosulphate (hypo) in development of photographic film/plate is to______________?

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Nitrile rubber is produced by the polymerisation of__________________?

A. Acrylonitrile and butadiene B. Acrylonitrile and styrene C. Isobutylene and isoprene D. None of these...

Penicillin is made employing _______________ fermentation process?

A. Continuous B. Aerobic batch C. Anaerobic batch D. None of these...

Contact process of sulphuric acid manufacture ____________________?

A. Yields acid of higher concentration than chamber process B. Yields acids of lower concentration than chamber process C. Is obsolete D. Eliminates absorber...

Which of the following is not an insecticide ?

A. Hydrocyanic acid B. Nicotine C. Sodium fluoride D. Hexane...

Fatty material used in soap making is _______________________?

A. Fatty acid B. Fatty alcohols C. Tallow D. Detergents...