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Chemistry Ch#06, 9th Class

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1 / 39

Which one is a suspension?

Blood

Toothpaste

Ink

Chalk in water

2 / 39

Alcohol in water is example of solution__________

gas-liquid

Liquid-liquid

None of these

Liquid-gas

3 / 39

Which one of the following solutions contains more water?

IM

0.25M

2M

0.5M

4 / 39

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

90g

90cm3

100g

100cm3

5 / 39

When a saturated solution is diluted it turns into______

Supersaturated solution

Unsaturated solution

Saturated solution

A concentrated solution

6 / 39

Example of liquid-gas solution is_________

fog

Mist

air pollutants

All of these

7 / 39

Which one of the following is heterogeneous mixture?

Milk

Milk of magnesia

Ink

Sugar solution

8 / 39

Molarity is the number of moles of solute dissolved in____________

1kg of solution

1dm3 of solvent

1dm3 of solution

100g of solvent

9 / 39

Ionic solids and polar covalent Compounds are soluble in________

petrol

ether

Benzene

Water

10 / 39

Tyndall effect is due to___________

Non-scattering of beam of light

Blockage of beam of light

Passing through beam of light

Scattering of beam of light

11 / 39

Brass is a solid solution of Zn and__________

Sn

Fe

Cu

C

12 / 39

Sea water is a source of naturally occurring elements___________

18

118

95

92

13 / 39

Tyndall effect is shown by________

Sugar solution

chalk solution

paints

Jelly

14 / 39

Example of solid in solid solution is__________

All of these

Opals

Brass

Bronze

15 / 39

Which salt is used to prepare supersaturated solution?

NaCl

Na2SO4

Na2S203

NaHSO4

16 / 39

Size of particles in true solution is_________

10cm-2

10cm-12

10cm-5

10-8cm

17 / 39

Air is a example of solution_____

gas in gas

gas in liquid

solid in gas

liquid in liquid

18 / 39

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

% w/v

% w/w

% v/w

%v/v

19 / 39

Concentration is ratio of_______

Solute to solute

Solvent to solute

Solvent to solution

Solute to solution

20 / 39

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

KCI

NaNO3

KNO3

NaCl

21 / 39

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

NaNO3

KNO3

KCI

Li2SO4

22 / 39

Smoke in air is example of solution__________

All of these

solid in gas

solid in liquid

Gas in gas

23 / 39

In soft drink CO₂ is _____________

Solvent

Solute

None of these

Solution

24 / 39

Mist is an example of solution________

Solid in gas

Liquid in gas

gas in liquid

gas in solid

25 / 39

Hydrogen absorbed in palladium is example of solution ___________

solid in gas

gas in solid

solid in liquid

gas in gas

26 / 39

Solubility of which salt increases with the increase of temperature?

KNO3

NaNO3

KCl

all of these

27 / 39

Which of the following shows tyndall effect?

paints

milk

both a and b

Albumin

28 / 39

Which one is example of colloid?

None of these

Milk of magnesia

Jelly

paints

29 / 39

Butter is example of solution_____________

solid-solid

Gas-gas

liquid-solid

none of these

30 / 39

Brass and Bronze are considered as_________

Compounds

Elements

All of these

mixtures

31 / 39

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

100cm3

90g

100g

90cm3

32 / 39

Example of liquid in solid solution is__________

none of these

both a and b

Butter

Cheese

33 / 39

One molar solution contains one mole of Solute in Solvent volume_____

1dm3

100cm3

lcm3

lcm3

34 / 39

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

fog

butter

Opal

Sugar in water

35 / 39

The compounds soluble in water are__________

Na2CO3

KCl

All of these

CuSO4

36 / 39

5% (w/w) sugar solution means that________

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

05g of sugar is dissolved in 95 g of water

05g of sugar is dissolved in 90 g of water

05g of sugar is dissolved in 105 g of water

37 / 39

Grease, paints, naphthalene are soluble in________

both b and c

Water

Carbon tetrachloride

ether

38 / 39

Which one of the following solvent is polar?

water

Benzene

ether

petrol

39 / 39

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

Dissolves slowly

Does not dissolve

Dissolves and precipitates

Dissolves readily

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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