Question # 1

Ozone is not

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An allotrope

A powerful oxidizing agent

Paramagnetic

A bent molecule

Vital force theory was rejected by

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Berzelius

Kolbe

Wholer

Lavoiser

How many kinds of space lattices are possible in a crystal?

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23

7

230

14

Carbon monoxide is pollutant as it

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Inactivates nerves

Inhibits glycolysis

Combines with oxygen

Combines with hemoglobin

An endothermic reaction is one in which

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Heat is converted into electricity

Heat is obsorbed

Heat is evolved

Heat is converted into mechanical work

Tollen's reagent is

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Ammonical cuprous chloride

Ammonical cuprous oxide

Ammonical silver bromide

Ammonical silver nitrate

The molal elevation constant is the ratio of the elevation in boiling point to

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Molarity

Molality

Mole fraction of solute

Mole fraction of solvent

Which of the following compounds has the lowest anion to cation size ratio?

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LiF

NaF

CsI

CsF

A zero order reaction is one whose rate is independent of

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Temperature of the reaction

The concentration of the reactants

The concentration of the products

The material of the vessel in which the reaction is carried out

Benzene is obtained by fractional distillation of

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Heavy oil

Anthracene oil

Middle oil

Light oil

In cold countries ethylene glycol is added to water in radiators of cars during winter It result in

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Lowering in b.pt.

Reducing viscosity

Reducing specific heat

Lowering in freezing pt.

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