6.

The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is
A. Dalton's law B. Gay Lussac's law
C. Henry's law D. Raoult's law
Answer and Explanation
Answer:C
Explanation: No answer description available for this question.
7.

The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is
A. helium B. ozone
C. oxygen D. methane
Answer and Explanation
Answer:B
Explanation: No answer description available for this question.
8.

The most commonly used bleaching agent is
A. alcohol B. carbon dioxide
C. chlorine D. sodium chlorine
Answer and Explanation
Answer:C
Explanation: No answer description available for this question.
9.

The nucleus of a hydrogen atom consists of
A. 1 proton only B. 1 proton + 2 neutron
C. 1 neutron only D. 1 electron only
Answer and Explanation
Answer:A
Explanation: No answer description available for this question.
10.

The heat required to raise the temperature of body by 1 K is called
A. specific heat B. thermal capacity
C. water equivalent D. None of the above
Answer and Explanation
Answer:B
Explanation: No answer description available for this question.