Thursday, March 25, 2010

Water

Multiple Choice Question (MCQs) of Water

1. How much Earth’s surface is covered with liquid water?

a. 65%
b. 70%
c. 75%
d. 77.5%
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2. Water constitutes about _______ of human body?

a. 65%
b. 70%
c. 75%
d. 77.5%
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3. Which of the following has strongest hydrogen bonding?

a. Hydrogen flouride
b. Ammonia
c. Water
d. both a and c
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4. The Kw for water is

a. 10^-11
b. 10^-12
c. 10^-13
d. 10^-14
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5. Which of the following when dissolved in water causes temporary hardness?

a. bicarbonate
b. sulphate
c. chloride
d. both b and c
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Answers to multiple choice questions (MCQs) of Water in Inorganic Pharmaceutical Chemistry

1. c
2. b
3. c
4. d
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