Exercise: Chemistry

Questions for: Chemistry

The most malleable metal is
A:
platinum
B:
silver
C:
iron
D:
gold
Answer: D
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The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is
A:
1.568 x 103
B:
6.023 x 1019
C:
4.84 x 1017
D:
6.023 x 1023
Answer: B
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The luster of a metal is due to
A:
its high density
B:
its high polishing
C:
its chemical inertness
D:
presence of free electrons
Answer: D
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The monomer of polythene is
A:
vinyl chloride
B:
ethylene
C:
ethyl alcohol
D:
None of the above
Answer: B
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The main use of salt in the diet is to
A:
make the taste of food better
B:
produce in small amounts the hydrochloric acid required for the digestion of food
C:
ease the process of cooking
D:
increase the solubility of food particles in water
Answer: B
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