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Chemistry Ch#06, 9th Class

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1 / 39

Ionic solids and polar covalent Compounds are soluble in________

petrol

Benzene

Water

ether

2 / 39

Grease, paints, naphthalene are soluble in________

ether

Water

both b and c

Carbon tetrachloride

3 / 39

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

KNO3

KCI

NaCl

NaNO3

4 / 39

Which of the following shows tyndall effect?

both a and b

milk

Albumin

paints

5 / 39

Tyndall effect is due to___________

Scattering of beam of light

Blockage of beam of light

Non-scattering of beam of light

Passing through beam of light

6 / 39

Brass is a solid solution of Zn and__________

Cu

Sn

C

Fe

7 / 39

Air is a example of solution_____

liquid in liquid

solid in gas

gas in liquid

gas in gas

8 / 39

In soft drink CO₂ is _____________

Solvent

Solution

None of these

Solute

9 / 39

Molarity is the number of moles of solute dissolved in____________

1dm3 of solution

1kg of solution

100g of solvent

1dm3 of solvent

10 / 39

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

100cm3

90cm3

90g

100g

11 / 39

Smoke in air is example of solution__________

Gas in gas

solid in gas

All of these

solid in liquid

12 / 39

Alcohol in water is example of solution__________

Liquid-gas

gas-liquid

Liquid-liquid

None of these

13 / 39

Hydrogen absorbed in palladium is example of solution ___________

solid in gas

solid in liquid

gas in gas

gas in solid

14 / 39

Brass and Bronze are considered as_________

Compounds

Elements

mixtures

All of these

15 / 39

Which one is a suspension?

Ink

Toothpaste

Blood

Chalk in water

16 / 39

Size of particles in true solution is_________

10cm-5

10cm-12

10cm-2

10-8cm

17 / 39

One molar solution contains one mole of Solute in Solvent volume_____

1dm3

lcm3

lcm3

100cm3

18 / 39

Which one of the following solvent is polar?

ether

water

Benzene

petrol

19 / 39

Example of liquid in solid solution is__________

both a and b

none of these

Cheese

Butter

20 / 39

Example of solid in solid solution is__________

All of these

Bronze

Brass

Opals

21 / 39

Concentration is ratio of_______

Solvent to solution

Solvent to solute

Solute to solute

Solute to solution

22 / 39

Sea water is a source of naturally occurring elements___________

95

18

92

118

23 / 39

Butter is example of solution_____________

none of these

Gas-gas

liquid-solid

solid-solid

24 / 39

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

% w/v

%v/v

% v/w

% w/w

25 / 39

Solubility of which salt increases with the increase of temperature?

KCl

KNO3

NaNO3

all of these

26 / 39

Which one of the following solutions contains more water?

0.25M

0.5M

IM

2M

27 / 39

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

90cm3

100cm3

100g

90g

28 / 39

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

butter

Sugar in water

fog

Opal

29 / 39

When a saturated solution is diluted it turns into______

Unsaturated solution

A concentrated solution

Saturated solution

Supersaturated solution

30 / 39

Which salt is used to prepare supersaturated solution?

Na2S203

NaHSO4

Na2SO4

NaCl

31 / 39

Mist is an example of solution________

gas in liquid

Solid in gas

gas in solid

Liquid in gas

32 / 39

The compounds soluble in water are__________

CuSO4

KCl

All of these

Na2CO3

33 / 39

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

Dissolves readily

Does not dissolve

Dissolves and precipitates

Dissolves slowly

34 / 39

Which one of the following is heterogeneous mixture?

Milk of magnesia

Ink

Sugar solution

Milk

35 / 39

Example of liquid-gas solution is_________

Mist

fog

air pollutants

All of these

36 / 39

Tyndall effect is shown by________

paints

Sugar solution

chalk solution

Jelly

37 / 39

5% (w/w) sugar solution means that________

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

05g of sugar is dissolved in 105 g of water

38 / 39

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

Li2SO4

KCI

NaNO3

KNO3

39 / 39

Which one is example of colloid?

None of these

paints

Milk of magnesia

Jelly

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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