MCQ Questions | Class 8 Science Chapter 14

MCQ Questions | Class 8 Science Chapter 14 | Chemical Effects of Electric Current with Answers 

MCQ Questions for Class8 Science Chapter 14 Chemical Effects of Electric Current

MCQ | Chemical Effects of Electric Current Class 8

Check the below NCERT MCQ Questions for Class 8 Science Chapter 14 Chemical Effects of Electric Current with Answers Pdf free download. MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. We have Provided Chemical Effects of Electric Current Class 8 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Science Class 8

NCERT Solutions Class 8 Science
Book: National Council of Educational Research and Training (NCERT)
Board: Central Board of Secondary Education (CBSE)
Class: 8th
Subject: Science
Chapter: 14
Chapters Name: Chemical Effects of Electric Current
Medium: English

Ncert Solutions for Class 8 Science | Objective Type Questions


You can refer to NCERT Solutions for Class 8 Science Chapter 14 Chemical Effects of Electric Current to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.
Chemical Effects of Electric Current | Class 8 Science | NCERT Solutions
Q1.

ncert class 8 science chapter 14

Pure or distilled water is a

A. poor conductor
B. good conductor
C. both (1) and (2)
D. none of these
Ans: poor conductor
Q2.

ncert science class 8 book

Which of the following is a good conductor?

A. Brick
B. Steel
C. Plastic
D. Cotton
Ans: Steel
Q3.

ncert science class 8 chapter 14

An electric current can produce

A. heating effect
B. chemical effect
C. magnetic effect
D. all of these
Ans: all of these
Q4.

ncert science class 8 solutions

Electroplating is based on

A. heating effect of electricity
B. chemical effect of electricity
C. physical effect of electricity
D. magnetic effect of electricity
Ans: chemical effect of electricity
Q5.

ncert science class 8 textbook pdf

Which of the following does not conduct electricity?

A. Sugar solution
B. Vinegar solution
C. Lemon juice solution
D. Caustic soda solution
Ans: Sugar solution
Q6.

cbse class 8 science book

Magnetic compass connected In a circuit is used to check:

A. magnetism in electric current
B. slow current
C. small current
D. none of these
Ans: small current
Q7.

cbse class 8 science book pdf download

Which of the following is a bad conductor of electricity?

A. Distilled water
B. Silver nitrate
C. Sulphuric acid
D. Copper sulphate
Ans: Distilled water
Q8.

cbse class 8 science chapter 14

LED glows:

A. when a strong electric current flows through it
B. whenever a weak electric current flows through it
C. when no electric current flows through it
D. none of these
Ans: whenever a weak electric current flows through it
Q9.

cbse class 8 science notes pdf

Which of the following is a good conductor?

A. Brick
B. Steel
C. Plastic
D. Cotton
Ans: Steel
Q10.

cbse science class 8 book

Which of the following is a good conductor of electricity:

A. istilled water
B. tap water
C. kerosene
D. none of these
Ans: tap water
Q11.

cbse science class 8 book pdf

Polythene is

A. a conductor
B. an insulator
C. both (1) and (2)
D. none of these
Ans: an insulator
Q12.

cbse science class 8 chapter 14

When current flows through a conducting solution than the electrode connected to the negati’wc terminal of the battery is called :

A. anode
B. cathode
C. rod
D. none of these
Ans: cathode
Q13.

cbse science class 8 mcq

Electroplating is based on

A. heating effect of electricity
B. chemical effect of electricity
C. physical effect of electricity
D. magnetic effect of electricity
Ans: chemical effect of electricity
Q14.

cbse science class 8 question paper

Current is the flow of:

A. electrons
B. protons
C. neutrons
D. none of these
Ans: electrons
Q15.

cbse science class 8 solutions

Copper is

A. a good conductor
B. an insulator
C. both (1) and (2)
D. none of these
Ans: a good conductor
Q16.

cbse science class 8 syllabus

A battery is used to:

A. convert chemical current into electric
B. maintain a potential difference current
C. measure the current
D. measure the temperature
Ans: convert chemical current into electric
Q17.

class 8 mcq

Waste from an electroplating factory must be disposed off

A. in the nearby river
B. in the nearby pond
C. in the nearby cornfield
D. according to the disposal guidelines of Waste Management Bodies
Ans: according to the disposal guidelines of Waste Management Bodies
Q18.

class 8 science book

When electric current is passed through the copper sulphate solution, copper sulphate dissociates into:

A. copper and sulphur
B. copper and oxygen
C. copper and sulphate
D. none of these
Ans: copper and sulphate
Q19.

class 8 science book pdf

An electrolyte is

A. a metal
B. a liquid that conducts current
C. a non-metal
D. none of these
Ans: a liquid that conducts current
Q20.

class 8 science chapter 14

The cans, used for storing food, are made by electroplating ……………. on to irons

A. chromium
B. zinc
C. tin
D. none of these
Ans: tin

CBSE Solutions | Ncert Solutions Science Class 8


NCERT Solutions | MCQ Class 8 Science


NCERT | Class 8 Science Solutions

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