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Chemistry Ch#06, 9th Class

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1 / 39

Size of particles in true solution is_________

10cm-5

10cm-2

10-8cm

10cm-12

2 / 39

Hydrogen absorbed in palladium is example of solution ___________

gas in solid

gas in gas

solid in gas

solid in liquid

3 / 39

Brass and Bronze are considered as_________

Compounds

All of these

mixtures

Elements

4 / 39

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

KCI

Li2SO4

KNO3

NaNO3

5 / 39

Which one of the following solutions contains more water?

0.25M

IM

0.5M

2M

6 / 39

Air is a example of solution_____

gas in liquid

liquid in liquid

solid in gas

gas in gas

7 / 39

Butter is example of solution_____________

liquid-solid

Gas-gas

solid-solid

none of these

8 / 39

Mist is an example of solution________

gas in liquid

Liquid in gas

gas in solid

Solid in gas

9 / 39

Which one of the following solvent is polar?

Benzene

water

petrol

ether

10 / 39

Alcohol in water is example of solution__________

Liquid-liquid

None of these

gas-liquid

Liquid-gas

11 / 39

The compounds soluble in water are__________

CuSO4

KCl

All of these

Na2CO3

12 / 39

Molarity is the number of moles of solute dissolved in____________

1dm3 of solvent

1kg of solution

100g of solvent

1dm3 of solution

13 / 39

Which one of the following is heterogeneous mixture?

Sugar solution

Milk

Ink

Milk of magnesia

14 / 39

5% (w/w) sugar solution means that________

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

15 / 39

One molar solution contains one mole of Solute in Solvent volume_____

lcm3

lcm3

100cm3

1dm3

16 / 39

Which one is a suspension?

Blood

Chalk in water

Toothpaste

Ink

17 / 39

Grease, paints, naphthalene are soluble in________

Water

Carbon tetrachloride

both b and c

ether

18 / 39

When a saturated solution is diluted it turns into______

Supersaturated solution

A concentrated solution

Unsaturated solution

Saturated solution

19 / 39

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

NaNO3

KNO3

NaCl

KCI

20 / 39

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

butter

Opal

fog

Sugar in water

21 / 39

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

Dissolves readily

Dissolves slowly

Dissolves and precipitates

Does not dissolve

22 / 39

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

90g

90cm3

100cm3

100g

23 / 39

Example of solid in solid solution is__________

Brass

Opals

All of these

Bronze

24 / 39

Concentration is ratio of_______

Solute to solution

Solvent to solution

Solute to solute

Solvent to solute

25 / 39

Smoke in air is example of solution__________

Gas in gas

All of these

solid in liquid

solid in gas

26 / 39

In soft drink CO₂ is _____________

None of these

Solvent

Solute

Solution

27 / 39

Solubility of which salt increases with the increase of temperature?

KNO3

KCl

all of these

NaNO3

28 / 39

Brass is a solid solution of Zn and__________

Cu

Fe

Sn

C

29 / 39

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

100cm3

90cm3

100g

90g

30 / 39

Which salt is used to prepare supersaturated solution?

Na2SO4

Na2S203

NaHSO4

NaCl

31 / 39

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

% v/w

% w/v

%v/v

% w/w

32 / 39

Ionic solids and polar covalent Compounds are soluble in________

ether

Benzene

petrol

Water

33 / 39

Example of liquid in solid solution is__________

Butter

both a and b

none of these

Cheese

34 / 39

Which one is example of colloid?

Jelly

Milk of magnesia

paints

None of these

35 / 39

Example of liquid-gas solution is_________

All of these

fog

air pollutants

Mist

36 / 39

Tyndall effect is due to___________

Blockage of beam of light

Non-scattering of beam of light

Scattering of beam of light

Passing through beam of light

37 / 39

Tyndall effect is shown by________

chalk solution

Jelly

Sugar solution

paints

38 / 39

Which of the following shows tyndall effect?

milk

both a and b

Albumin

paints

39 / 39

Sea water is a source of naturally occurring elements___________

18

92

118

95

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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