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Chemistry Ch#06, 9th Class

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1 / 39

Which salt is used to prepare supersaturated solution?

Na2SO4

NaHSO4

NaCl

Na2S203

2 / 39

Grease, paints, naphthalene are soluble in________

ether

Carbon tetrachloride

both b and c

Water

3 / 39

Which one of the following is heterogeneous mixture?

Ink

Sugar solution

Milk

Milk of magnesia

4 / 39

10% Volume/Mass alcohol solution contains 10cm³ of sugar in solution______

100g

90g

100cm3

90cm3

5 / 39

Brass and Bronze are considered as_________

Elements

mixtures

All of these

Compounds

6 / 39

Ionic solids and polar covalent Compounds are soluble in________

petrol

ether

Water

Benzene

7 / 39

In soft drink CO₂ is _____________

Solute

Solvent

Solution

None of these

8 / 39

Hydrogen absorbed in palladium is example of solution ___________

gas in solid

solid in gas

gas in gas

solid in liquid

9 / 39

Smoke in air is example of solution__________

solid in liquid

solid in gas

Gas in gas

All of these

10 / 39

Which one is a suspension?

Chalk in water

Ink

Blood

Toothpaste

11 / 39

Which one of the following will show negligible effect of temperature on its solubility?

NaNO3

NaCl

KCI

KNO3

12 / 39

Sea water is a source of naturally occurring elements___________

95

118

92

18

13 / 39

Example of solid in solid solution is__________

Brass

Opals

All of these

Bronze

14 / 39

One molar solution contains one mole of Solute in Solvent volume_____

lcm3

lcm3

100cm3

1dm3

15 / 39

Which one is example of colloid?

None of these

Jelly

Milk of magnesia

paints

16 / 39

Tyndall effect is shown by________

Sugar solution

chalk solution

paints

Jelly

17 / 39

10% Mass/Volume Sugar solution contains 10g of sugar in solution _________

100cm3

100g

90cm3

90g

18 / 39

Brass is a solid solution of Zn and__________

C

Sn

Fe

Cu

19 / 39

Which one of the following solutions contains more water?

2M

IM

0.5M

0.25M

20 / 39

Concentration is ratio of_______

Solute to solute

Solvent to solute

Solvent to solution

Solute to solution

21 / 39

The compounds soluble in water are__________

KCl

All of these

CuSO4

Na2CO3

22 / 39

Butter is example of solution_____________

Gas-gas

solid-solid

liquid-solid

none of these

23 / 39

Which one of the following solvent is polar?

water

ether

petrol

Benzene

24 / 39

Mist is an example of solution________

Liquid in gas

Solid in gas

gas in solid

gas in liquid

25 / 39

Alcohol in water is example of solution__________

Liquid-liquid

gas-liquid

Liquid-gas

None of these

26 / 39

The solubility of which salt decreases with the increase of temperature?

KCI

NaNO3

Li2SO4

KNO3

27 / 39

5% (w/w) sugar solution means that________

05g of sugar is dissolved in 105 g of water

05g of sugar is dissolved i in 105 g of water

05g of sugar is dissolved in 90 g of water

05g of sugar is dissolved in 95 g of water

28 / 39

If the solute-solute forces are strong. enough than those of solute- solvent forces. The solute______

Dissolves and precipitates

Dissolves slowly

Does not dissolve

Dissolves readily

29 / 39

Size of particles in true solution is_________

10cm-2

10-8cm

10cm-12

10cm-5

30 / 39

Molarity is the number of moles of solute dissolved in____________

100g of solvent

1dm3 of solution

1dm3 of solvent

1kg of solution

31 / 39

Solubility of which salt increases with the increase of temperature?

all of these

KCl

NaNO3

KNO3

32 / 39

When a saturated solution is diluted it turns into______

A concentrated solution

Saturated solution

Supersaturated solution

Unsaturated solution

33 / 39

Which of the following shows tyndall effect?

Albumin

paints

both a and b

milk

34 / 39

Tyndall effect is due to___________

Blockage of beam of light

Passing through beam of light

Scattering of beam of light

Non-scattering of beam of light

35 / 39

If 10cm³ of alcohol is dissolved in 100g of water, it is called______

% w/w

% v/w

% w/v

%v/v

36 / 39

Example of liquid in solid solution is__________

Cheese

both a and b

none of these

Butter

37 / 39

Which one of the following is a liquid in solid solution?

butter

Opal

Sugar in water

fog

38 / 39

Example of liquid-gas solution is_________

air pollutants

fog

Mist

All of these

39 / 39

Air is a example of solution_____

solid in gas

liquid in liquid

gas in gas

gas in liquid

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Chemistry Notes, Problems for Class 9th

Chemistry, a new subject for 9th Class, having a lot of concepts, starting from a single definition of the smallest particle of our universe which is called ‘atom’. In the 8th grade usually, we have to study only one book of science that combines chemistry, physics, and biology. But as, we got into 9th class and with every passing day things starts to get more complex now. similarly we got three books instead of just one science book.

And, if you any student of 9th Class feeling difficult to understand the concept of chemistry. Then, these chemistry notes for class 9 are enough. by Understanding chemistry Notes for 9th class means remembering a lot of concepts. Consider that particular subject important in which you want to study for your whole life. And, read more than just the textbook about that particular subject. If you think you want to study chemistry for your whole life that’s great, our country also need chemists.

Chemistry class 9 pdf

If any student searching to topics like Chemistry Notes for 9^th class,  Chemistry Notes for Class 9 pdf, Chemistry Notes for Class 9 MCQs, Chemistry Notes for class 9 Gujranwala board, Chemistry Notes for class 9 Lahore board, Class 9 Chemistry notes chapter 6, Chemistry class 9 chapter 6 pdf, Chemistry class 9 chapter-6 short questions, kips notes of chemistry for 9 class, 9th class chemistry solved exercises chapter 6, chemistry class 9 chapter 6 solutions, 9th class chemistry notes in English pdf download, 9th class chemistry solved exercises chapter 6 pdf, 9th class chemistry solved exercises chapter 6,  9th class chemistry notes in Urdu pdf download, Chemistry class 9 chapter-6 solved exercise pdf, Chemistry Notes for Class 9 Chapter-6, 9^th class chemistry notes in Urdu pdf download, Chemistry Notes class 9 pdf, then all the solution if your problem is available within our website eStudent.pk

Chapter wise PDF Notes / Problems / Solution of Chemistry 9th Class

                     Chapter-01 – Fundamentals of Chemistry

                     Chapter-02 – Structure of Atoms 

                     Chapter-03 – Periodic Table and Periodicity of Properties

                     Chapter-04 – Structure of Molecules 

                     Chapter-05 – Physical States of Matter 

                     Chapter-06 – Solutions 

                     Chapter-07 – Electrochemistry 

                     Chapter-08 – Chemical Reactivity 

                     Pairing Scheme for 2021 – Chemistry 9th Class