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Chemistry

Chemistry
Which gas is used for converting vegetable oils into saturated fats ?

O2
H2
SO2
Cl2

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Chemistry
The ionic radii of N3-, O2-, F- and Na+ follows the order

N3- > O2- > F- > Na+
O2- > F- > Na+ > N3-
Na+ > O2- > N3- > F-
N3- > Na+ > O2- > F-

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Chemistry
When formaldehyde and potassium hydroxide are heated, we get

Acetylene
Methyl alcohol
Ethyl formate
Methane

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Chemistry
Bhopal gas tragedy is associated with leakage of

Carbon dioxide
Sulphur dioxide
Methyl isocyanate
Nitrogen dioxide

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Chemistry
Sodium is produced by the electrolysis of

Aqueous brine solution
Molten sodium carbonate
Its cyanide complex
Molten sodium chloride

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Chemistry
If a buffer solution is diluted its pH

Is decreased
Remains same
Is increased
Will slowly increase and then it will decrease

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