Question # 1

The molar mass of H₂SO₄ is:

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98 g

98 amu

9.8 g

9.8 amu

The reverse of evaporation is:

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Boiling

Diffusion

Condensation

Freezing

The component of solution in larger amount is .

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Solute

Solvent

A & B

nIL

Which one of the following will show negligible effect of temperature on its solubility?

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KCI

KNO³

NaNO³

NaCI

PCL5 is ________________ shaped.

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Bipyromidal

Angular

Triangular

Linear

H° - H° has ________________ energy.

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Lower

Higher

Medium

Nil

Addition of OXYGEN is called.

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Reduction

Conduction

Oxidation

Nil

Neuron was discovered by

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Sir Willium Crooks

Goldstein

James Chadwik

Neil Bohr

Bucky balls are ____________ allotropic forms of carbon.

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1st

2nd

3rd

4th

Modern periodic table can be classified into ________________.

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Elements

s, p, d, f blocks

Periods

ROWS

Reduction means

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Removal of H2

Removal of electrons

Gain of electrons

Gain of O2

One amu (atomic mass unit) is equivalent to:

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1.66x10^-24 mg

1.66x 10^-24g

1.66x10 g

1.66x10^-23mg

____________ Metals are electronegative in nature.

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Pure-

Noble-

Non-

Nil

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