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Electrochemistry:

Chemistry Notes for Class 10

If you are looking for Chemistry Notes for Class 9 Chapter-7, then you are on right place, and have found the your required result. on this post you can find the all type Solution for chemistry class 9 problems. so read this post and take benefits for your studies and share with your Friends.

Here are important MCQs for Chemistry Notes for Class 9, chapter 7

Try and Practice/ Play this MCQs Series again and again to get the grip on this MCQs Chapter 07 of Chemistry,9th Class, Electrochemistry.

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Chemistry Ch#07, 9th Class

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1 / 59

The percentage of any metal can make up the non-silver portion of a sterling is_______

2 / 59

In which cell electrical energy is converted into chemical energy?

3 / 59

During electrolysis of sodium chloride in aqueous state, which gas is evolved from the cathode electrode?

4 / 59

  1. Chemical formula of rust is__________

5 / 59

A region on iron surface when rusting takes place is known as____________

6 / 59

Spontaneous chemical reactions take place in____________

7 / 59

In galvanic cell cathode electrode carries__________

8 / 59

The oxidation number of chromium in K2Cr2O7 is____________

9 / 59

Which ionizes in small extent in water___________

10 / 59

Who invented first electrolytic cell?

11 / 59

Sterling silver is an alloy of silver and________

12 / 59

Which of the following is a good electrolyte?

13 / 59

Oxidizing agent is a substance which___________

14 / 59

The oxidation number of all elements in free state is_______

15 / 59

Sodium hyposulphite dissolves____________

16 / 59

Which is not a property of fine silver?

17 / 59

In neutral molecules, the algebraic sum of the oxidation numbers of all the elements is______

18 / 59

The oxidation number of sulphur in H2SO4 is_______

19 / 59

A process of coating a thin layer of Zn on iron is called___________

20 / 59

Which of the following is NOT an electrolyte?

21 / 59

Oxidation involves__________

22 / 59

In the Redox reaction between Zn and HCI, the oxidizing agent is_______

23 / 59

Oxidation always takes place at_______________

24 / 59

Cl2 gas is formed, when Cl ions are_________

25 / 59

Which of the following is a non-electrolyte?

26 / 59

Which cell is used in the manufacturing of sodium metal from fused NaCl?

27 / 59

The branch of chemistry which deals with the relationship between electricity and chemical reactions.

28 / 59

The most common example of corrosion is________

29 / 59

In HCl, oxidation number of H is_________

30 / 59

In early nineteenth century photographers produce crude images using papers covered with_____

31 / 59

Nelson’s cell is used to prepare caustic soda along with gases. Which of the following gas is produced at cathode?

32 / 59

Which of the following is a common example of silver plating?

33 / 59

The oxidation number of oxygen is +2 in_________

34 / 59

Which medium accelerates the process of rusting?

35 / 59

Stainless steel contains___________

36 / 59

Which metal has a great tendency to corrosion?

37 / 59

Example of electrolytic cell is___________

38 / 59

Chemical formula of sodium hyposulphite is _____________

39 / 59

Which of the following is a weak electrolyte?

40 / 59

During the formation of water from hydrogen and oxygen, which of the: following does not occur?

41 / 59

Which of the following is a corrosion resistant metal?

42 / 59

The oxidation number of Group-I elements is_________

43 / 59

In order to give longer life, the containers of iron are coated by_________

44 / 59

Which is produced as a result of Redox reaction?

45 / 59

Which ion is not formed during electrolysis of aqueous sodium chloride?

46 / 59

The electrolytic cell is made up of____________

47 / 59

The percentage of silver in sterling silver is_______

48 / 59

In Nelson’s cell, cathode is made up of__________

49 / 59

Which gas is evolved during the electrolysis of fused sodium chloride?

50 / 59

The substances which do not ionize in solution and do not allow to pass current through them are called________

51 / 59

Formation of water from hydrogen and oxygen is________

52 / 59

Rusting occurs on___________

53 / 59

Chemical reaction in which the oxidation state of one or more substances changes are called____

54 / 59

Which acts as anode in Down’s cell?

55 / 59

Sodium hydroxide is manufactured in__________

56 / 59

Corrosion of iron is called____________

57 / 59

The oxidation number of hydrogen in metal hydrides is________

58 / 59

Which of the following is NOT an electrolytic cell?

59 / 59

Pure water is a ___________

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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 9th 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 7, Chemistry class 9 chapter 7 pdf, Chemistry class 9 chapter-7 short questions, kips notes of chemistry for 9 class, 9th class chemistry solved exercises chapter 7, chemistry class 9 chapter 7 solutions, 9th class chemistry notes in English pdf download, 9th class chemistry solved exercises chapter 7 pdf, 9th class chemistry solved exercises chapter 7,  9th class chemistry notes in Urdu pdf download, Chemistry class 9 chapter 7 solved exercise pdf, chemistry class 9 chapter 7 solved exercise pdf, Chemistry Notes for Class 9 Chapter-7, 9th 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, chemistry class 9 chapter 7 solved exercise pdf.

 

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

 

 

 

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