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General Knowledge - Chemistry

Exercise : Chemistry - Section 1
  • Chemistry - Section 1
46.
Zone refining is used for the purification of
Au
Ge
Ag
Cu
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is
cineole
engenol
geraniol
limonene
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
The molecule which has the highest percentage of ionic character among the following is
HI
HF
HCI
HBr
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
The high reactivity of fluorine is due to
its high electro negativity
small size of fluorine atom
availability of d-orbitals
strong F - F bond
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
The iron ore magnetite consists of
Fe2O3
Fe3OH4
FeCO3
3Fe2O3 .. 3H2O
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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