Electrolysis and Ionic Compounds

Electrolysis and Ionic Compounds

10th Grade

20 Qs

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Electrolysis and Ionic Compounds

Electrolysis and Ionic Compounds

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Electrolysis of H₂SO₄ at the cathode.

2H⁺ + 2e⁻ → H₂

H₂SO₄ → 2H⁺ + SO₄²⁻

2H₂O → 2H₂ + O₂

H₂ + O₂ → 2H₂O

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bromine gas

Given off as a colorless gas at the anode.

Given off as a brown gas at the anode.

Given off as a white gas at the anode.

Given off as a yellow gas at the anode.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An anion is a negatively charged ion attracted to the anode.

A cathode is the negative electrode of an electrolysis cell.

A cation is a positively charged ion attracted to the cathode.

An anion is a positively charged ion attracted to the anode.

A cathode is the positive electrode of an electrolysis cell.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Focus in electrolysis

Focus on the movement of electrons, not the direction of conventional current.

Focus on the direction of conventional current only.

Focus on the movement of protons in the solution.

Focus on the temperature of the electrolyte.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Charge carriers in the external circuit

Protons are the charge carriers in the external circuit.

Neutrons are the charge carriers in the external circuit.

Electrons are the charge carriers in the external circuit.

Ions are the charge carriers in the external circuit.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ion discharge depends on the relative reactivity of elements.

The reactivity of elements influences which ions are discharged.

Ion discharge is solely determined by temperature.

Ion discharge is unrelated to the properties of elements.

Ion discharge occurs randomly without any influence.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Electrolysis process

Turn on power and allow electrolysis.

Mix chemicals in a container.

Heat the solution to a boiling point.

Add a catalyst to speed up the reaction.

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