Question # 1

____________ used to remove nail polish.

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Acetyline

Acetone

H2O

Nil

____________ solids are arranged in 3 dimension.

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Crystalline

Amorphous

Both

None

____________ Is drawn in wires.

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Gold

Silver

Helium

Nil

Which is used for industrial manufacture of NaCI?

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Daniel cell

Down's cell

Nelson's cell

None of these

............. are sonorous.

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Metals

Solids

Metals

Force

The solubility of which salt increases in heating?

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Li₂SO₄

Ce₂(SO₄)₃

NaCI

KCI

The example of solution of a solid solute in a solid solvent is

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Brass

Fog

Cheese

Air

Long form of periodic Table is constructed the basis of:

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Mendeleev postulate

atomic number

atomic mass

mass number

Sodium has ________________ no. of protons.

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11

12

13

14

All chemists invented all except:

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Beakers

Spirit lamp

Funnels

Retorts

Transition temperature of sulphur is ____________

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95.6

95

95.5

96

The value of Avogadro 'no is:

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6.023×1024

6.023×1026

6.023×1023

6.023×1020

The symbol of sodium is :

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Sa

Na

Pa

Ca

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