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General Knowledge - Chemistry

Exercise : Chemistry - Section 1
  • Chemistry - Section 1
76.
The method of concentrating the ore which makes use of the difference in density between ore and impurities is called
liquation
leaching
levigation
magnetic separation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
77.
The inert gases are ____ in water
sparingly soluble
insoluble
soluble
None of these
Answer: Option
Explanation:
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78.
The molecular formula of phosphorous is
P1
P2
P3
P4
Answer: Option
Explanation:
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79.
The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of
atomic structure
metallurgy
periodic table of contents
discovery of elements
Answer: Option
Explanation:
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