9th Class Chemistry MCQs Chapter No.7 Electrochemistry

9th Class MCQs Chemistry Chapter No.7 Electrochemistry,BISE Bahawalpur,Lahore Board,Rawalpindi Board,Faisalabad Board,Matric Exam online Preparation,Quiz

CHEMISTRY – 9th
Chapter Name : Electrochemistry
Chapter No. 7
Multiple Choice Questions
Note : All MCQ’s selected in this test are from OLD Grade 9th board Papers.








Book Name :  CHEMISTRY
Chapter No.  7
Chapter Name : Electrochemistry
Total MCQ from Text Book :  53
Book Version  :
2022

Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Secondary Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 9 ( Matriculation )
Total Marks : 53
Total Time :   53 minutes




79

Class 9 - Chemistry Chapter No.07 Electrochemistry

Class 9 - Chemistry
Chapter No.07 Electrochemistry

1 / 53

Formation of water from hydrogen and oxygen is:

2 / 53

Oxidation number of chlorine in KCLO3: (SGD G1)(DGK G2)(RWP G2)

3 / 53

The conversion of H2 to sulphur is: H2S + Cl2 → S + 2HCl (FSD-GI)

4 / 53

_______ is a non-electrolyte: (LHR-GII) 2017

5 / 53

The example of non electrolyte is: (GUJ-GI)

6 / 53

Electrochemistry Is branch of chemistry which deals with relationship between: (SGD-GI)

7 / 53

Gain of electron is called: (RWP-GI)

8 / 53

A specie that reduces a substance by donating electron: (GUJ G2)

9 / 53

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

10 / 53

Which one of the followings is strong electrolyte? (RWP-GII)

11 / 53

Which one of the following is not an electrolytic cell? (SWL-GI)

12 / 53

Spontaneous redox chemical reaction take place in:

13 / 53

In which cell spontaneous reaction takes place: LHR-GII

14 / 53

Depositing of one metal over the other by means of electrolysis is: (SGD-GI)

15 / 53

The gas collected at cathode Is: (MTN-GI)

16 / 53

The formula of rust is:

17 / 53

Oxidation number of oxygen in peroxide is: (SWL-GII)

18 / 53

Which one of the following metals is used for galvanizing? (GUJ-GII)

19 / 53

Loss of electrons is called: (SGD-GI)

20 / 53

Example of non-electrolyte is: (RWP-GI)

21 / 53

Which one of the following is electrolyte? (SGD-GII)

22 / 53

Pure water is an example of: (LHR G2)

23 / 53

Acetic acid is an example of: (GUJ-GII) 2018

24 / 53

Which is a strong electrolyte? (FSD-GI)

25 / 53

Addition of oxygen during chemical reaction is called: (LHR-G1,BWP-2)

26 / 53

Spontaneous Chemical Reaction takes place in: BWP-GII

27 / 53

Which one of the following is not an electrolyte?

28 / 53

Which one of them is the oxidation number of "Cr" in K2Cr2O7 ? (RWP-Gl)

29 / 53

The oxidation number of chromium in K2Cr2O7 is:

30 / 53

Which one of the following is not an electrolytic cell?

31 / 53

Non-metals act as oxidizing agents because: (GUJ G2)

32 / 53

In oxidation number of nitrogen is HNO3: LHR-GII,MTN-GII

33 / 53

Oxidation Number of Sulphur in H2SO4

34 / 53

Nelson's cell is used to prepare Caustic Soda along with gases _____of the following gas is produced at Cathode: MTN-GI

35 / 53

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

36 / 53

During the formation of Water from Hydrogen and Oxygen, which of the following does not occur: (BWP-GI)

37 / 53

The oxidation number of oxygen In OF2 is: (FSD G1,SWL-GII,LHR-GI)

38 / 53

Which is a strong electrolyte? (FSD-GI) 2016

39 / 53

In the redox reaction between Zn and HCI the oxidizing agent is:

40 / 53

One of the followings is a non-electrolyte: RWP-GI

41 / 53

The most common example of corrosion is:

42 / 53

What is the formula of rust: (LHR G1)(GUJ G1)(MLT G1)(BWP G2)(RWP G1) 2013-2014-2015

43 / 53

Which one of the following is weak electrolyte: (LHR GI,GII.DGK-GII)

44 / 53

Electrochemical cell has ______ types: DGK-GI

45 / 53

The oxidation number of hydrogen in HCl: (SGD-GII)

46 / 53

In the redox reaction, between Zn and HC the oxidizing agent is: (GUJ G1)(DGK G1)(BWP GI,RWP-GI)

47 / 53

The most common example of corrosion is: (FSD G2)(RWP GI,GII,SWL-GI,SGD-GI)

48 / 53

Which is not an electrolyte? LHR-GII,5WL-GII,FSD-GII,DGK-GI, II,BWP-GI,MTN-GI,RWP-GII

49 / 53

The oxidation number of chromium in K2Cr2O2 is: GUJ-GI,SGD-GI,FSD-GI,GII,BWP-GI

50 / 53

Aqueous solution of____________is not strong electrolytes: (FSD GI)

51 / 53

Oxidation number of hydrogen in metal hydrides is: GUJ-GII

52 / 53

Formation of water from hydrogen and oxygen is called: DGK-GII,BWP-GII,SWL-GI

53 / 53

Oxidation number of all the elements in free state is: GUJ-GI,FSD-GII,MTN-GII,SGD-GII

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