Question # 1

Runcid butter has

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Foul smell

Rotten egg smell

Pungent smell

No smell

In an irreversible reaction dynamic equilibrium:

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Never establishes

Established before the completion of reaction

Establishes after the completion of reaction

Establishes readily

Methyl orange produces which colour in basic solution

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Red

Yellow

Pink

White

The process by which atmospheric nitrogen is turned into nitrates in the soil is called.

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Nitration

Fixing

Oxidation

Reduction

Which is not a part of flue gas?

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Furans

Dioxins

HCl

H₂SO₄

Which gas in produced during ripening of bnabanas.

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Methane

Ethene

Acetylene

Carbon dioxide

Enzymes are proteins which have the following properties except.

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They catalyze reaction

They are highly non-spcific

They are highly efficient

They are pro

The percentage by volume of nitrogen in dry gas is.

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78.09%

20.94%

0.93%

0.03%

An equilibrium is achievable only in a:

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big system

small system

open system

closed system

Which of following is not amphoteric?

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H₂O

NH₃

HCO₃

SO₄

Petroleum fraction having composition C₇to C₁₀IS called

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Petroleum gas

Petroleum Ether

Kerosine oil

Gasoline or petrol

When the magnitude of Kc is very small in indicates.

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Equilibrium will never establish

All reactants will converted to products.

Reaction will go to completion

The amount of products is negligible

Ammonia is prepared by:

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Solvay's process

Haber's process

Floatation process

Bayer's process

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