Question # 1

The functional group- COOH is found in

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Carboxylic acid

aldehydes

alcohals

easter

Nucleic acids made up of long chain of.

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Nucleotide

Fatty acids

Amino acid

None of them

When the reaction causes to produced it is called.

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Chemical equlibrium state

Static equilibrium

Dynamic equilibriiun

All

The substance formed during the chemical reaction are called.

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Products

Reactants

Radical

Element

Monosaccharides are crystalline solids

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Grey

Crimson

Silver

White

The number of carbon atoms present in fuel oil.

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14-18

15-18

16-18

17-18

The green house effect is proportional to the amount of which gas in air.

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CO₂

O₂

N₂

All of them

Acids have taste

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Bitter

Seetish

Sour

Saltish

Hydrogenation of vegetable oil to convert it into banaspatic ghee is carried out in the presence of catalyst:

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Ni-metal

Zn-metal

Na - Metal

Fe2O3

Which one of the following salts makes the water permanent hard.

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NaCO₃

NaHCO₃

Ca(HCO₃)₂

CaSO₄

Sodium carbonate is manufactured by.

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Haber's process

Ostwald's process

Solvay's process

All

Which is not a character of SO₂

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it is a colourless gas

It has irritating smell

It causes suffocation

It do not form sulphuric acid

The percentage of potable water on earth is.

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2%

0.2%

0.02%

0.002%

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