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Chemistry

Chemistry
Saline soil contains

Hard rocks
None of these
High concentration of salt
Lot of moisture

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Chemistry
The metal that is used as a catalyst in the hydrogenation of oils is

Ni
Pb
Cu
Pt

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Chemistry
Nylon threads are made of

Polyester polymer
Polyvinyl polymer
Polyamide polymer
Polysaccharide

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Chemistry
Which one is the most dense liquid from the below

None of these
Choloform
Gasolin
Water

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Chemistry
A subshell with l=2 can take up

3 electron
10 electron
5 electron
8 electron

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Chemistry
Peroxyacetyl nitrate is a

Secondary pollutant
Plant hormone
Vitamin
Acidic dye

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