Chemistry Notes for Class-9 Chapter-8

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Chemical Reactivity

Chemistry Notes for Class 10

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Chemistry Ch#08, 9th Class

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1 / 44

Metals can form ions carrying charges____________

2 / 44

Metals are the elements which__________

3 / 44

The flame Color of Calcium is________

4 / 44

Nonmetallic oxides are________

5 / 44

Boiling point of Calcium is________

6 / 44

Metals lose their electrons easily because________

7 / 44

Which of the following is less malleable?

8 / 44

Flame color of Sodium is_________

9 / 44

Sodium metal has electrons____________

10 / 44

Which compounds are widely used in photography films and dental preparations?

11 / 44

Which one of the following metals burn with a brick red flame when heated in air?

12 / 44

Nonmetals form________

13 / 44

Which one the following is the lightest and floats on water?

14 / 44

Which one of the following is brittle?

15 / 44

Which metal exists in liquid form at room temperature?

16 / 44

Boiling point of Magnesium is________

17 / 44

Sodium is extremely reactive metal, but it does not react with______

18 / 44

Which of the following is a yellow metal?

19 / 44

Metals are conductor of heat and electricity________

20 / 44

All metals bear________

21 / 44

Boiling point of Sodium is___________

22 / 44

Density of Calcium is___________

  • 0.98 gcm-3
  • 1.74 gcm-3
  • 1.55 gcm-3
  • 1.60 gcm-3

Which Option is Correct ?

23 / 44

Melting point of Sodium is__________

24 / 44

Which one is very reactive metal?

25 / 44

22 Carat Gold means that 22-part pure gold is alloyed with 2 parts of__________

26 / 44

Non-metals are generally soft, but which one of the following is extremely hard?

27 / 44

Group-17 elements are called___________

28 / 44

Melting point of Calcium is___________

29 / 44

The melting and boiling points of nonmetals are_________

30 / 44

Density of sodium metal is_______

  • 0.98 gcm-3
  • 1.74 gcm-3
  • 1.55 gcm-3
  • 1.60 gcm-3

Which Option is Correct ?

31 / 44

The flame color of Magnesium is________

32 / 44

Which group of elements has low ionization energies?

33 / 44

Non-Metals are ____________ conductor of heat and electricity.

34 / 44

Metals oxides are________

35 / 44

Density of magnesium is______

  • 0.98 gcm-3
  • 1.74 gcm-3
  • 1.55 gcm-3
  • 1.60 gcm-3

Which Option is Correct ?

36 / 44

Which Metal belongs to Group-11?

37 / 44

The Elements in which d-orbital is in the process of filling constitute a group of metals called________

38 / 44

Which one of the following will not react with dilute HCI?

39 / 44

Platinum alloyed with which metal are used as catalyst in automobiles as catalytic convertor?

40 / 44

Metals possess________

41 / 44

Which one is a least reactive metal?

42 / 44

Which one of the following non-metal is lustrous?

43 / 44

Which element has high electro-negativity value?

44 / 44

Pure alkali metals can be cut simply by knife but iron cannot because of alkali metals have_____

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Chemistry Notes, Problems for Class 9th

Chemistry, a new subject for 9th Class, having a lot of concepts all 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, we need chemists.

Chemistry class 9 pdf

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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

 

 

 

This Post Has 2 Comments

  1. Muhammad Ibrahim

    Good effort

  2. Ekonomia

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