Electrolysis Class 10 ICSE Chemistry MCQ Questions

Electrolysis Class 10 ICSE Chemistry MCQ Questions

Looking for Electrolysis Class 10 ICSE Chemistry Chapter 6 MCQ Questions? If yes, You are the right page. Here we have provided ICSE class 10 chemistry Chapter 6 multiple choice questions and answers. All MCQ are important.

1) Which of the following is Strong electrolyete?

a) Acetic acid

b) Nitric acid

c) Formic acid

d) Calcium hydroxide

Answer- Nitric acid

2) Metals and alloys are

a) Good conductor

b) Bad conductor

c) Non electrolytes

d) All the above

Answer- Good conductor

3) Anode is

a) Negative terminal

b) Neutral terminal

c) Positive terminal

d) Attracts cations

Answer- positive terminal

4) Reduction takes place at __

a) Anode

b) Cathode

c) Both depending on electrolytes

d) Depending on ions discharged at electrodes

Answer- Cathode

5) Ionic compounds

a) Have high melting point

b) Have both low as well as high melting point

c) Have low melting point

d) Non of these

Answer- Have high melting point

6) Metallic electrodes which do not tak part in an electrolytic reaction

a) Pt

b) Ni

c) Ag

d) Cu

Answer- Pt

7) Sn ion loses __ electrons to form Sn metal.

a) 1

b) 2

c) 3

d) 4

Answer- 2

8) Dissociation occurs in___ compunds

a) Covalent compunds

b) Coordinate compunds

c) Electrovalent compunds

d) Non of the above

9) According to activity series which of the following is more reactive?

a) Calcium

b) Zinc

c) Aluminium

d) Sodium

Answer- Calcium

10) Cathode used during electrolysis of lead bromide.

a) Copper

b) Platinum

c) Iron

d) Graphite

Answer- Graphite

11) Solution used during electroplating of nickel

a) NiSO4

b) NiCO3

c) NiSO3

d) Ni2SO4

Answer- NiSO4

12) Electrolyte used during refining of copper is

a) Copper sulphate solution

b) Copper solution

c) Copper nitrate solution

d) All the above

Answer- Copper sulphate solution

13) Which of the following acts as non electrolyte?

a) Acetic acid

b) Sodium hydroxide aqueous solution

c) Potassium chloride aqueous solution

d) Liquid Carbon tetrachloride

Answer- Liquid carbon tetrachloride

14) When dilute copper sulphate solution is used ion migrating at anode is

a) SO42-

b) OH-

c) Cu2+

d) H+

Answer- OH-

15) Inert electrode is

a) Copper

b) Nickel

c) Platinum

d) Silver

Answer- Platinum

16) In solid state NaCl is

a) Good conductor

b) Bad conductor

c) Both depending on condition

d) Non of the above

Answer –Bad conductor

17) Which base is weak electrolyte?

a) Barium hydroxide

b) Potassium hydroxide

c) Ammonium hydroxide

d) Sodium hydroxide

Answer- Ammonium hydroxide

18) If copper has to be plated with silver then copper is made___

a) Cathode

b) Anode

c) Electrolyte

d) Non of these

Answer- Anode

19) A non metal which is present in activity series of metals is

a) Copper

b) Sulphur

c) Hydrogen

d) Nitrogen

Answer- Hydrogen

20) Non electrolytes do not have ions in solution. They contain

a) Atoms

b) Molecules

c) Both

d) Non of the above

Answer- Molecules

21) The cations gain electrons at cathode. This process is called as

a) Oxidation

b) Reduction

c) Redox reaction

d) Non of the above

Answer- Reduction

22) Electrode which is connected at negative terminal of battery is__

a) Anode

b) Cathode

c) Electrode

d) Electrolyte

Answer- Cathode

23) Dark reddish brown fumes of__ evolve at anode

a) Chloride

b) Iodide

c) Bromide

d) Sulphide

Answer- Bromide

24) In electrochemical series of anions iodine is placed

a) Above Cl-

b) Below OH-

c) Above SO42-

d) Below Br-

Answer- below Br-

25) The conversion of ions into neutral species is called

a) Secondary change

b) Neutralization

c) Primary change

d) Ionisation

Answer- Primary change

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