Question # 1

The unit of rate constant for a zero order reaction is

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Liter sec^-1

Liter mol^-1sec^-1

Mol liter^-1sec^-1

Mol sec^-1

The spectrum of helium is expected to be similar to that of

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H

Li⁺

Na

He⁺

The rate at which a substance reacts depends on its

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Atomic weight

Equivalent weight

Molecular weight

Active mass

The total pressure exerted by a number of non reacting gases is equal to the sum of partial pressure of the gases under the same conditions is known as

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Boyle's law

Charle's law

Avogadro's law

Dalton's law

The number of oxygen atoms in 4.4 g of CO₂ is approximately

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1.2 x 10²³

6 x 10²²

6 x 10²³

12 x 10²³

Hydrolytic conversion of sucrose into glucose and fructose is known as

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Induction

Inversion

Insertion

Inhibition

Bell metal is an alloy of

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Cu,Zn,and Sn

Cu,Zn and Ni

Cu and Zn

Cu and Sn

At room temperature formaldehyde is

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Gas

Liquid

Solid

None of the above

Which has the largest radius?

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CO³⁺

Mn³⁺

Fe³⁺

Cr³⁺

Which of the following metal exhibits more than one oxidation?

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Na

Mg

Fe

AI

Natural fertilizer from plants and animals provide nitrogen

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1.5 kg

3.0 kg

4.5 kg

6 kg

Which of the following has linear shape?

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SP

SP²

SP³

None of the above

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

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LiF

NaF

Csl

CsF

The treatment of benzene with isobutene in the presence of sulphuric acid give

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isobutyl benzene

tert-Butyl benzene

n- Butyl benzene

no reaction

A clathrate may be defined as a

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Cage compound

Liquid crystal

Mixture

Solid solution

Hypo is used to photography for

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Developing picture

Picture printed

The colour of picture

The fixation of picture

Portland cement is manufactured by using

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Limestone, clay and sand

Limestone, gypsum and sand

Limestone, gypsum and alumina

Limestone, clay and gypsum

If a salt bridge is removed electrode is made from which of the following?

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ZnCl₂

CuSO₄

Hg₂Cl₂

HgCl₂

In crystal structure of sodium chloride, the arrangement of CI^-ions is

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Fcc

Both Fcc and bcc

Bcc

None of these

The reaction/method that does not give an alkane is

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Catalytic hydrogenation of alkanes

Wurtz reaction

Hydrolysis of alkyl magnesium bromide

Dehydrohalogenation of an alkyl halide.

The carbon atoms in calcium carbide are held by

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Ionic bonds

Sigma bonds

2 covalent, one co-ordinate bond

2π and oneα bond

Causticisation process is used for the preparation of

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Caustic soda

Caustic potash

Baryata solution

Slaked lime

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