Question # 1

The major components of Atmosphere are:

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Carbon and Nitrogen

Nitrogen and Oxygen

Oxygen and Chlorine

None of these

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

Which gas is produce by the electrical lightening of air.

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NO

SO₂

SO₃

CO₂

The example of heterocyclic compound is.

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Benzene

Hexane

Cyclohexane

Pyridine

Acidic solutions have pH value.

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Less than 7

Greater than 7

equal to 7

None of these

Monosaccharide consists of number of carbon atoms.

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2 to 4

4 to 8

3 to 9

5 to 10

Building and Monuments lose their beauty and shine due to

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U.V radiations

Chlorofluoro carbons

Acid rain

IR radiations.

The raw materials for the manufacturing of urea are.

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Ammonia

Carbondioxide

Limestone

a & b

Which is simplest alkane?

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CH₄

C₂H₈

C₂H₂

C₂H₄

Which one of the following does not contain proteins.

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In pulses

In Potatoes

In fruits

In eggs

Potassium Ferrocyanide is a:

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Normal salt

Mixed salt

Complex salt

Double salt

Marsh gas is mostly consisted of.

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Butane

Propane

Ethane

Methane

Mesophere extend forms 50 km to:

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50 km

12 km

60 km

85 km

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