CHEMICAL PROCESS QUIZ

Gun powder uses

All of these

Sulphur

Potassium nitrate

Charcoal

TRUE ANSWER : ?
YOUR ANSWER : ?

Hydrogenation of oil/fat does not

Improve its resistance to rancid oxidation

None of these

Raise its melting point

Remove double bonds

TRUE ANSWER : ?
YOUR ANSWER : ?

Lime and soda ash are added to water to remove

Bacteria

Its corrosiveness

Undersirable taste and odour

Bicarbonates & sulphates of calcium and magnesium

TRUE ANSWER : ?
YOUR ANSWER : ?

Glycerine is not used in the

None of these

Conditioning and humidification of tobacco

Manufacture of explosive

Manufacture of pharmaceuticals

TRUE ANSWER : ?
YOUR ANSWER : ?

Synthetic glycerine is produced from

Naphthalene

Phenol

Toluene

Propylene

TRUE ANSWER : ?
YOUR ANSWER : ?

Oils are partially hydrogenated (not fully) to manufacture vanaspati, because fully saturated solidified oils

Are prone to rancid oxidation

Cause cholesterol build up and blood clotting

Always contain some amount of nickel (as their complete removal is very difficult)

Have affinity to retain harmful sulphur compounds

TRUE ANSWER : ?
YOUR ANSWER : ?

Plaster of Paris is

Same as gypsum

Used for setting of broken bones

CaSO₄.½H₂O

Both A and B

TRUE ANSWER : ?
YOUR ANSWER : ?

Nylon-6 is manufactured from

Hexamethylene diamine and sebacic acid

Hexamethylene diamine and adipic acid

Caprolactum

Hexamethylene diamine and maleic anhydride

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick out the wrong statement. Iodine value of an oil or fat is

Helpful in findings its adulteration & its suitability for making soap

Independent of the type of oil, whether it is drying or non-drying

A measure of its unsaturation

The number of grams of iodine taken up by 100 gm of oil or fat

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is the second major component of cement?

Fe₂O₃

Al₂O₃

SiO₂

CaO

TRUE ANSWER : ?
YOUR ANSWER : ?