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General Knowledge - Chemistry

Exercise : Chemistry - Section 1
  • Chemistry - Section 1
71.
Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be
2 : 16 : 2
2 : 16 : 1
1 : 16 : 2
1 : 1 : 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
72.
The mass number of an atom is equal to
the number of protons
the number of protons and electrons
the number of nucleons
the number of neutrons
Answer: Option
Explanation:
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73.
The maximum number of covalent formed by nitrogen is
1
2
3
4
Answer: Option
Explanation:
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74.
The formula C6H5-CO-CH3 represents
Acetone
Acetic acid
Acetophenone
Phenyl acetate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
75.
The metal that is usually extracted from sea water is
Ca
Na
K
Mg
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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