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Chemistry

Chemistry
Petroleum is a mixture of

Polymers
Elements
Salts
Hydrocarbons

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

O2
Cl2
SO2
H2

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Chemistry
'All the four quantum numbers of two electrons in an atom are not the same.' It is the law of –

Uncertainty Principle of Hiesenberg
Hund's rule of maximum multiplicity
Avogadro's Law
Exclusion Principle of Pauli

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Chemistry
The chief constituent of vinegar is

Acetic acid
Salycylic acid
Oxalic acid
Formic acid

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Chemistry
The metal compound commonly found in Sindhoor or Kumkum is based on

Lead
Tin
Zinc
Copper

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Chemistry
The percentage of nitrogen present in ammonium sulphate is :

0.27
0.305
0.18
0.25

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MORE MCQ ON Chemistry

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