Question # 1

The functional group -COOH is found in.

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Aldehydes

Esters

Carboxylic acids

alcohols

____________ is synthetic fiber.

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Cotton

Woal

Nylon

Silk

Substitution reaction is the characteristics of.

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Alkanes

Alkenes

Alkynes

None of these

Traces of acetylene are present in coal gas about.

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0.06 %

0.08%

1.1%

90%

Some organic compound are soluble in water due to the presence of .

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-OH

H⁺

Botha a and b

Covalent bond

The earth atmosphere is getting hotter because of :

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SO₂

O₃

CO₂

CO

According to Lewis concept a base is a substance which can donate.

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Proton

Electron pair

Neutron

Electron

Inland water includes.

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River

Lakes

Streams

All of them

The order of reactivity of hydrogen halides with alkenes is:

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HI>HBR

HBr>HI

HCl>HBr

HBr>HCl

Which protect our muscles from cramping?

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Carbohydrats

Vitamins

Lipids

Proteins

Amont the followign substitution reaction is characteristics of.

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Alkanes

Alkenes

Alkynes

None of these

What is the pOH of Ca(OH)2, 0.02 M Solution.

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1.698

1.397

12.31

12.61

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