Question # 1

The percentage of SO₂released by the combustion of coal and petroleum product.

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40%

60%

70%

80%

Hydrogenation of alkenes and alkynes may be carried out at room temperature in the presence of catalyst:

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Pt or Pd

Ni

Zn

Fe2O3

In the bessemerization process.

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Roasted ore is beated.

Molten matte is removed.

Molten matte is heated

Molten matte is added

The ability of carbon atoms to form chains is called.

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Isomerism

Catenation

Resonance

Condensation

Building and Monuments lose their beauty and shine due to

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U.V radiations

Chlorofluoro carbons

Acid rain

IR radiations.

Rapid growth of algae in water bodies in because of detergent having.

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Carbonat salt

Sulphonic acid

Sulphat salt

Phosphate salt

Conversion of dead plants into coal by the action of bacteria and heat is called.

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Carbonization

Catenation

Hydrogenation

Cracking

Which acid is found in sour milk?

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`Formic acid

Lacitc acid

Citric acid

Butric acid

Red hair contains compound of.

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Iron

copper

titanium

Molybdenum

Water molecule has a structure:

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Ionic

Non polar

Tetrahedral

Polar

Methyl butanoate smell like.

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Apple

Mange

Lemon

Grapes

Smell of rancid butter is due to the presence of.

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Propanoic acid

Butanoic acid

Acitic acid

Citric acid

Brown hair contains.

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Iron compound

Copper compound

titanium compound

Both a and b

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