Solvay process is used for the manufacture of:

A. Sodium carbonate
B. Magnesium chloride
C. Aluminum oxide
D. Sulphuric acid

Explanation: The Solvay process is used to produce sodium carbonate.

Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by:

A. Oxidation
B. Cracking
C. Distillation
D. Hydrolysis

Explanation: Cracking is used to convert liquid hydrocarbons to gaseous hydrocarbons.

Margarine is made from the process of:

A. Chlorization
B. Carbonization
C. Hydrogenation
D. De-carbonization

Explanation: Margarine is made by hydrogenating vegetable oils.

Phases of the moon occur because:

A. We can see only that part of the moon which reflects light towards us
B. Our distance from the moon keeps changing
C. The shadow of the earth covers only a part of moon's surface
D. The thickness of the moon's atmosphere is not constant

Who said microbes are animalcule?

A. Darwin
B. Mendel
C. Leeuwenhoek
D. Louis pasteur

How many times does a normal man respire per minute?

A. 10-15 times
B. 14-18 times
C. 20-25 times
D. 25-30 times

Duodenum Jejunum is a part of:

A. Large intestine
B. Small intestine
C. Stomach
D. Kidney

A car travels 100 km at a speed of 60 km/h and returns with a speed of 40 km/h. Calculate the average speed for the whole journey.

A. 40 km/h
B. 44 km/h
C. 48 km/h
D. 52 km/h

A glacier is a:

A. Fast moving sheet of ice
B. Slow moving sheet of ice
C. Static sheet of ice
D. None of these

Alpine glacier is also known as:

A. Piedmont glacier
B. Valley glacier
C. Trango glacier
D. None of these