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Chemical Process

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

Chemical Process /
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?

Chemical Process /
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?

Chemical Process /
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

Transparent soaps (e.g. Pears) are____________________?

Chemical Process /
Transparent soaps (e.g. Pears) are____________________?

A. Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and
finally washed with methylated spirit to achieve transparency
B. Metallic soaps with frothing agent and free Stearic acid to achieve transparency
C. Metallic soaps with frothing agent from which glycerine has not been recovered
D. None of these

Transparent soaps (e.g. Pears) are____________________? Read More »

Chemical Process