MEDIEVAL HISTORY ART AND CULTURE QUIZ

Phenol formaldehyde

Is an abrasive material

Is a monomer

Employs addition polymerisation

Employs condensation polymerisation

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Have affinity to retain harmful sulphur compounds

Are prone to rancid oxidation

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

Cause cholesterol build up and blood clotting

TRUE ANSWER : ?
YOUR ANSWER : ?

The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to

Increase the cellulose content

Remove lignin by way of crystallisation

None of these

Avoid mechanical weakening of fibre

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ acid is an unsaturated fatty acid.

Stearic

Oleic

Oxalic

Palmitic

TRUE ANSWER : ?
YOUR ANSWER : ?

Phosphoric acid is prepared from

Chalcopyrite

None of these

Cryolite

Rock phosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not an insecticide?

Hexane

Hydrocyanic acid

Sodium flouride

Nicotine

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

Calcium & aluminium stearate

Xanthates

Stearic acid

Formic acid

TRUE ANSWER : ?
YOUR ANSWER : ?

A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

25

1

40

10

TRUE ANSWER : ?
YOUR ANSWER : ?

Basic oxide is absent in __________ glass.

Flint

Quartz

Pyrex

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ is used as a flux in the smelting of copper ore like chalcopyrite.

Coke breeze

Dolomite

Silica/quartz

Lime powder

TRUE ANSWER : ?
YOUR ANSWER : ?

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