Question # 1

The core of the earth is ____________ than crust.

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LIghter

Heavier

Both

Nil

If the solute-solute forces are strong enough than those of solute- solvent force, The solute:

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dissolves readily

does not dissolve

dissolve slowly

dissolves and precipitates

The other name of modern periodic table is ________________ of periodic table.

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Long form

Simplified

Simplest

Nil

Which one of the following shell consists of three subshells?

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K- shell

M-Shell

L-shell

M-shell

Which of the following does not affect solubility?

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Temperature

Pressure

Nature OF SOLVENT

Area

Which one of the following non-metal is lustrous?

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Sulphur

Phosphorus

Iodine

Carbon

The symbol of sodium is :

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Sa

Na

Pa

Ca

Which one of the following is a galvanic cell?

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Daniel cell

Nelson's cell

Down's cell

Both B and C

Which of the following is less malleable?

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Sodium

Iron

Gold

Sliver

The example of solid solute in gas solvent is

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butter

Sugar in water

Smoke in air

Opals

Water is a ____________ covalent compound .

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Polar

Non polar

Ionic

Nil

..................... is property of metals.

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Gases

Lustrous

Solids

Nil

___________ is used in treatment of cancer.

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Nil

Cobalt-60

C-12

H-3

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