CHEMISTRY QUIZ

The process of removing calcium and magnesium from hard water is known as

Filtration

Flocculation

Water softening

Sedimentation

TRUE ANSWER : ?
YOUR ANSWER : ?

Ferrous sulphate is used in water treatment as a/an

Adsorbent

Oxidizing agent

Reducing agent

Coagulant aid

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is used to denature ethanol ?

Propyl alcohol

Phenol

Methane

Methyl alcohol

TRUE ANSWER : ?
YOUR ANSWER : ?

One of the following is used to dissolve noble metals. That is

Nitric acid

Hydrochloric acid

Aqua ragia

Sulphuric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Impure camphor is purified by

Fractional crystallisation

Fractional distillation

Sublimation

Steam distillation

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a derivative of barbituric acid

Amytal

Nembutal

Veronal

Equanil

TRUE ANSWER : ?
YOUR ANSWER : ?

Williamson's synthesis is widely used in the laboratory preparation of

Ethers

Esters

Aldehydes

Alcohols

TRUE ANSWER : ?
YOUR ANSWER : ?

The common name of sodium bicarbonate is

Baking soda

Soda lime

Baking powder

Soda ash

TRUE ANSWER : ?
YOUR ANSWER : ?

The unit to measure the flow of water is

Micro Mho

Milli curie

Ohm meter

Cusecs

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following is not a ‘green house gas’ ?

Methane

Nitrogen

Chlorofluorocarbons

Carbon dioxide

TRUE ANSWER : ?
YOUR ANSWER : ?

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