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

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