Question # 1

The number of electrons in the M shell of the element with number 24 is

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24

12

13

8

Calcium acetate when dry distilled gives

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Formaldehyde

Acetaldehyde

Acetone

Acetic anhydride

Most common reactions of benzene and its derivatives are

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Electrophilic addition reactions

Electrophilic substitution reactions.

Nucleophilic addition reactions

Nucleophilic substitution reactions

Hess's law deals with

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Changes in heat or reaction

Rate of reaction

Equilibrium constant

Influence of pressure on volume of a gas

Which of the following alkali metal hydroxides is the strongest base?

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LiOH

NaOH

KOH

CaOH

The main structure features of proteins is

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An ester linkage

An ether linkage

The peptide linkage

All

When pressure is applied to the equilibrium system Ice Water Which of the following phenomenon will happen?

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More ice will be formed

Water will evaporate

More water will be formed

Equilibrium will not be formed

The heats evolved in combustion of rhombic and monoclinic sulphur are - 70960 and -71030 cal mol^-1 respectively what will be heat of conversion of rhombic sulphur ti monoclinic?

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70960 calories

71030 calories

-70 calories

+70 calories

Magnesium keeps on burning in

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N₂

CO₂

N₂O

N₂ as well as CO₂

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