Question # 1

The reaction will attain the equilibrium if:

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Qc<Kc

Qc > Kc

Qc = Kc

Qc = 0

Acid means

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Sour

Bitter

Sweet

Salty

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

Number of vitamins in vitamin B complex is.

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10

8

6

12

Sum of PH and POH of a solution is:

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7

14

16

18

Aromatic compounds are given this name because of;

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smell they have

slippery touch they have

bitter taste they have

sour taste they have

General formula of Alkyl radical is..

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C₆H_2n-2

C_nH_2n+2

C₁₁H_2n-1

C_nH_2n-2

Alkanes are also called:

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olefins

Paraffins

aliphatic compound

cyclic compounds

Which one of the following is not faction of crude oil.

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Paraffin wax

Asphalt

Fuel oil

Petroleum coke

Raw materials used in Solvay's process.

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Brine

Lime stone

Ammonia gas

All

In laboratory urea was prepared by

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Wohler

Rutherford

Berzelius

Dalton

How many percentage to water contains oceans?

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67%

77%

87%

97%

Which one of these hydrocarbon molecules would have no effect on an aqueous solution of bromine?

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CH₄

C₁₀H₂₀

C₂H₄

C₂H₂

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