What was the religion of the majority of the Arabs before Islam?

A. Buddhism
B. Jewish
C. Idolatrous
D. Christianity

Washing soda is the common name for:

A. Calcium carbonate
B. Calcium bicarbonate
C. Sodium carbonate
D. Sodium bicarbonate

Which of the following is the best conductor of electricity?

A. Copper
B. Mica
C. Zinc
D. Silver

Which form of phosphorus is used in safety matches?·

A. White phosphorus
B. Yellow phosphours
C. Red phosphours
D. Black phosphours

The element common to all acids is:

A. carbon
B. hydrogen
C. oxygen
D. sulphur

The gas used to extinguish fire, is:

A. neon
B. nitrogen
C. carbon dioxide
D. carbon monoxide

Balloons are filled with

A. hellium
B. oxygen
C. nitrogen
D. argon

The element present in the largest amount in rocks and minerals is:

A. carbon
B. silicon
C. hydrogen
D. aluminium

“Sakhalin Island” enriched with oil reserves are claimed by:

A. China and Russia
B. US and Japan
C. Russia and Japan
D. USA and Russia

Pakistan is separated from Tajikistan by:

A. Pamir Knot
B. Wakhan
C. Durand Line
D. Baltistan