Question # 1

The mixture of two component is called .

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Homogeneous mixture

Binary solution

Both a & b

Nil

Which is kept constant in the Charle's law:

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Pressure

Temperature

Volume

Mass

A _________ is a pure substance is made up of two or more elements.

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Mixture

Elements

Solution

Compound

The most common example of corrosion is:

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Chemical decay

Rusting of iron

Rusting of aluminum

Rusting of tin

Neuron was discovered by

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Sir Willium Crooks

Goldstein

James Chadwik

Neil Bohr

Elements are represented by chemical _________

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Abbreviation

Unit

Symbols

It can be represented

One mole of sodium = ______ .

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24 g

25 g

26 g

23 g

Intermolecular forces are of three types and are collectively called ____________

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Nelson' forces

Vander Waal's forces

Neurons

Nil

Which one is an example of colloids?

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NaCl + Solution

Milk

Fog

Air

Transition elements are:

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all gases

all metals

all non-metals

all metalloids

Neutrons have _________ charge.

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+

_

No

Nil

Which pair of compounds is soluble?

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Ether and water

KCI and water

Benzene and water

Petrol and water

____________ cell is made of two half of cells.

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Zinc cell

Galvanic

Both

All

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