IndiaBIX

General Knowledge - Chemistry

Exercise : Chemistry - Section 1
  • Chemistry - Section 1
21.
The ore which is found in abundance in India is
monazite
fluorspar
bauxite
magnetite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The inherited traits of an organism are controlled by
RNA molecules
nucleotides
DNA molecules
enzymes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The heat energy produced when the human body metabolises 1 gram of fat is
30 KJ
1 KJ
39 KJ
29 KJ
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
What are the number of moles of CO2 which contains 16 g of oxygen?
0.5 mole
0.2 mole
0.4 mole
0.25 mole
Answer: Option
Explanation:
One mole of CO2 has mass of 44 g and 32 g of O2. So 16 g of O2 have 22 g of CO2 or 0.5 moles of it.
25.
The main use of salt in the diet is to
make the taste of food better
produce in small amounts the hydrochloric acid required for the digestion of food
ease the process of cooking
increase the solubility of food particles in water
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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