Question # 1

How much amount of sunlight reaches up to earth and absorbed:

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26%

32%

50%

18%

Which acid used for food preservation?

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H₂SO₄

HNO₃

HCl

CH₃COOH

Catalytic converters convert.

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CO to CO₂

N₂ to NO

CO₂ to CO

N₂to NO₂

Which of the following is a secondary pollutant.

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CO₂

CO

SO₃

HF

When acid reacts with sulphites and Bi sulphates which gas is evolved?

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H2

CO₂

SO₂

NH₃

Alkanes are also called:

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olefins

Paraffins

aliphatic compound

cyclic compounds

Which gas is produce by the electrical lightening of air.

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NO

SO₂

SO₃

CO₂

About 99% atmosphere's lies within:

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30 kilometre

35 kilometre

15kilometre

11 kilometre

Dehydration means removal of.

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Water

Halogen

Hydrogen

All above.

Deficiency of Vitamin E causes.

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rickets

Scurvy

Anemia in babies

Night blindness.

Which is Pentahydroxy aldehydes of the following?

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Starch

Glucose

Fructose

Sucrose

Which helps in lowering of cholesterol level?

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Vitamin

Fiber

Carbohydratres

All of them

Dehydrohalogenation take place in the presence of.

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Aqueous NaOH

Alcoholic KOH

Aqueous KOH

Alcoholic NaOH

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