Question # 1

The region of ozone decomposition in stratosphere is.

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20 km

30 km

40 km

50 km

Who was prepared acetic acid in laboratory?

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Berzelius

Wohler

Kolbe

Dalton

What is pOH of 0.01 M solution of HCl?

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1

4

12

13

____________ is synthetic fiber.

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Cotton

Woal

Nylon

Silk

Which is the main component of natrual gas.

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Methane

Ethane

Propane

Charcoal

Hypoglycemia result due to:

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high cholesterol level

low cholesterol level

low sugar level in body

high sugar level in body

Amino acid are linked to each other through.

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Hydrogen link

Ionic link

Gelatin link

Peptide link

Ozone id beneficial for us as it:

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absorbs infrared radiations

absorbs ultraviolet radiation

absorbs chlorofluorocarbons

absorbs air pollutants

Cause of diarrhoea among following is:

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Diarrhea

Cholera

Cryptosporidium

Typhoid

The carbon contents in lignite is.

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80%

50%

60%

70%

Which one of the following is non- reducing in nature;

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glucose

fructose

starch

sucrose

Acetic acid is used for:

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Elching designs

Clearing metals

Flavouring food

Making explosives

According to Bronsted and Lowry concept a base is a substance that can accept.

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Proton

Electron pair

Neutron

Electron

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