Question # 1

Halogenation of methane on the presence of diffused sunlight takes place.

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Only in one step

Slowly in one step

Freshly in two steps

In a series of four steps

Density of water at 4°C is:

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0.976 gem-3

1 gem-3

0.956 gem-3

1.1 gem-3

Citric acid is present in

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Citrus fruits

Sour milk

Rancid butter

Apple

A dynamic equilibrium

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Reaction stops to proceed

Amounts of reactants and products are equal

Rate of forward and reverse reaction are equl

Reaction can no longer be reversed.

When NaHCO₃ is heated it forms.

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CO₂

Ca(OH)₂

CaCO₃

CaO

The number of carbon atoms present in diesel oil.

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10-15

11-15

12-15

13-15

Dehydrohalogenation of vicinal-dihalides take place in the presence of.

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NaOH

KOH

NaCl

None of these

Which gas is used to prepare ammonia?

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N₂

O₂

Cl₂

S

Percentage of methane present in natural gas is.

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75%

80%

85%

90%

Oxidation of alkenes forms:

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Glycol

Glyoxal

Formic acid

Oxalic acid

The reduction of alkyl halides takes place in the presence of.

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Zn/HCl

Na/HCl

Mg/HCl

Cu/HCl

The end product of oxidation of acetylene is.

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Propen glycol

Ethan glycol

Glyoxal

Oxalic acid

Coal having 90% carbon contents is called.

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Peat

Lignite

anthracite

bituminous

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