Chapter 2-Is Matter Around Us Pure?(Mixtures and Solutions)

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The ________ is unable to remove the solute particles from the mixture.

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22 Terms

1

The ________ is unable to remove the solute particles from the mixture.

filtration procedure

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2

________ are mixtures of two or more metals or a metal and a non- metal that are impossible to physically separate into their component parts.

Alloys

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3

________ are big enough to scatter a beam of light passing through it and make its path visible.

Colloids

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4

A ________ is a solution which has extremely small particle size less than 1 nm (10- 9 metres)

homogenous mixture

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5

________ is a basic form of matter that can not be broken down into simpler substances by chemical reactions.

Element

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6

________ is a process that separates a pure solid in the form of its crystals from a solution.

Crystallisation

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7

sodium chloride

However, ________ can not be physically divided into its chemical components because it is a pure material in and of itself.

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8

filtration method

The ________ is not appropriate for such particles.

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9

The effect that can be observed in colloidial solution is ________.

Tyndall effect

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10

components of a colloidal solution

The ________ are the dispersed phase and the dispersion medium.

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11

________ is used for the separation of components of a mixture containing two miscible liquids that boil without decomposition and have sufficient difference in their boiling points.

Distillation

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12

Dilute

________ and concentrated are comparative terms.

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13

A(n) ________ is a gaseous, liquid or solid mixture that has the same proportions of its components throughout a given sample.

homogeneous mixture

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14

________ are mixtures in which minute insoluble particles of one substance are suspended in another substance.

Colloids

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15

Solvent

·A liquid material with the ability to dissolve or disperse one or more other substances

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16

They are poor heat

and electricity-conductors

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17

Sublimation is camphour is a ______ change

physical

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18

Most common chemical change we observe in our routine life is rusting of______.

Iron

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19

A solution is defined as a mixture that is __________

Homogeneous

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20

A pure substance has a fixed__________ or ______ at constant temperature.

M. P & B. P.

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21

Common salt is _________.

compound

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22

Filtered tea is a _________ mixture.

homogeneous

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