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Solutions Practice Quiz - 1 - Class 9 MCQ


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25 Questions MCQ Test - Solutions Practice Quiz - 1

Solutions Practice Quiz - 1 for Class 9 2024 is part of Class 9 preparation. The Solutions Practice Quiz - 1 questions and answers have been prepared according to the Class 9 exam syllabus.The Solutions Practice Quiz - 1 MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Solutions Practice Quiz - 1 below.
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Solutions Practice Quiz - 1 - Question 1

Example of solution of liquid in gas is

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Solute is water (liquid) and solvent is gas( air).

Solutions Practice Quiz - 1 - Question 2

Molality of a solution relates the

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Molality is number of moles of solute dissolved in per Kg of solvent.

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Solutions Practice Quiz - 1 - Question 3

Which law shows relation between pressure and solubility of a gas in solvent?

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Henry’s Law states that as the partial pressure of gas increases over liquid solubility of gas also increases.

Solutions Practice Quiz - 1 - Question 4

For ideal solution the enthalpy of mixing of the pure components to form the solution is____.

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For ideal solution there is no evolution or absorption of heat on mixing.

Solutions Practice Quiz - 1 - Question 5

Molarity of the solution is_______.

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Solutions Practice Quiz - 1 - Question 6

Raoult’s law states that for a solution of volatile liquids the partial pressure of each component in the solution is

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Raoult’s law states that for a solution of volatile liquids the partial pressure of each component in the solution is directly proportional to mole fraction of component.

Solutions Practice Quiz - 1 - Question 7

Minimum boiling azeotrope is form by the solution which show

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Positively deviated non ideal solution forms Minimum boiling Point azeotropes.

Solutions Practice Quiz - 1 - Question 8

Which of the following is a colligative property?

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Colligative property is dependent on no. of moles of solute. (Л=cRT)

Solutions Practice Quiz - 1 - Question 9

Cryoscopic constant of a liquid is

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When m(molality) = 1m then 

Solutions Practice Quiz - 1 - Question 10

Two solutions have different osmotic pressures. The solution of higher osmotic pressure is called?

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Hypertonic solutions are having high Osmotic Pressure.

Solutions Practice Quiz - 1 - Question 11

At constant temperature the osmotic pressure of a solution is

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Л = cRT

Solutions Practice Quiz - 1 - Question 12

The sum of all mole fraction for a mixture is always equal to

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Solutions Practice Quiz - 1 - Question 13

The rate at which a solid dissolves in liquid does not depend on

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The rate at which a solid dissolves in liquid does not depend on pressure.

Solutions Practice Quiz - 1 - Question 14

Greater the value of KH, lower will be the

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 is measure of solubility of gas.

Solutions Practice Quiz - 1 - Question 15

Which among the following is soluble in water?

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Because of hydrogen bonding.

Solutions Practice Quiz - 1 - Question 16

Which among the following is soluble in n-octane?

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Like dissolves in like

Solutions Practice Quiz - 1 - Question 17

The use of pressure cooker reduces cooking time because it creates

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High pressure increases the boiling point of water so it reduces the cooking time.

Solutions Practice Quiz - 1 - Question 18

In pressure cooker boiling point of water

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As pressure increases boiling point also increase.

Solutions Practice Quiz - 1 - Question 19

A solute is soluble in two immiscible liquids which are present in a mixture. The concentration of the solute in the upper layer will be

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A solute distributes itself between two immisible liquids. Ratio of conc of solute in liquid1 and liquid 2 is constant.

Solutions Practice Quiz - 1 - Question 20

Camphor is often used in molecular mass determination because

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Camphor has very high cryoscopic constant.

Solutions Practice Quiz - 1 - Question 21

Which among the following show positive deviation?

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( Solute- solute and > solute – solvent interactions Solvent – solvent )

Solutions Practice Quiz - 1 - Question 22

Which among the following show negative deviation?

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( Solute- solute and < solute – solvent interactions Solvent – solvent )

Solutions Practice Quiz - 1 - Question 23

Normality of 0.3 M phosphoric acid is 

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N = 0.9

Solutions Practice Quiz - 1 - Question 24

A 500 g of tooth paste has 0.2 g of fluoride concentration. Fluorine concentration in terms of ppm is

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Solutions Practice Quiz - 1 - Question 25

The concentration of a solution is 0.3 X 10-2 moles/litre. Osmotic pressure of the solution at 300K is 

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