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February 2019

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an?

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an?

A. Explosive
B. Soap
C. Detergent
D. Analgesic drug

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an? Read More »

Chemical Process

Superior quality laboratory apparatus is made of the _____________ glass having low thermal co-efficient of expansion & high chemical resistance?

Superior quality laboratory apparatus is made of the _____________ glass having low thermal co-efficient of expansion & high chemical resistance?

A. Flint
B. Soda
C. Pyrex
D. Potash

Superior quality laboratory apparatus is made of the _____________ glass having low thermal co-efficient of expansion & high chemical resistance? Read More »

Chemical Process

At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?

At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?

A. Independent of
B. Directly proportional to
C. Inversely proportional to
D. Proportional to the square of

At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants? Read More »

Chemical Process