Chemistry Preparation


Salts are ?

A. Acid

B. Base

C. Alkalies

D. Neutral


Which of the following statement is not true for alkynes?

A. They do not perform Baeyer’s Test

B. They undergo addition reaction

C. They burn to form CO2

D. They contain a triple bond


Cause of acidic rain is ?

A. Nitrogen

B. Sulphure Dioxide

C. Carbonic Acid

D. Carboxide


Ozone is a ____________ gas.

A. Reddish

B. Greenish

C. Bluish

D. Yellowish


Water gas is a mixture of ?

A. Hydrogen & Oxygen

B. Steam & Air

C. CO & H2

D. None of these


The coldest region in atmosphere is ?

A. Mesopause

B. Stratosphere

C. Tropopause

D. Stratopause


Those substances which give hydroxyl ions in water are called ?

A. Acid

B. Base

C. Salts

D. Alkalies


Fats and oils are example of ?

A. Proteins

B. Vitamin

C. Lipids

D. Carboyhydrates


Petroleum is a mixture of many ?

A. Salt

B. Hydrocarbons

C. Hydroxide

D. Acids


The freezing point of water is ___________ celcius.

A. 1

B. 2

C. 0

D. 3