Chemical Changes
Quiz
•
Chemistry
•
10th - 12th Grade
•
Easy
Maria Jose
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What are the products of the reaction of zinc with hydrochloric acid?
Zinc hydrochloride and hydrogen
Zinc chloride and water
Zinc hydrochloride and hydrogen
Zinc chloride and hydrogen
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which substance is oxidised in the reaction represented by the ionic equation below?
Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)
Zinc because it loses electrons
Copper because it gains electrons
Zinc because it gains electrons
Copper because it loses electrons
3.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
If a solution has a pH of 8, it is ______. Some vinegar has a pH of 4, so the vinegar is acidic.
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
In the electrolysis of molten lead bromide, the substance produced at the cathode is ______.
5.
OPEN ENDED QUESTION
1 min • 1 pt
Sulfuric acid is a strong acid. What is meant by a strong acid?
Evaluate responses using AI:
OFF
6.
OPEN ENDED QUESTION
1 min • 1 pt
Aluminium is extracted from aluminium oxide by electrolysis.
In the electrolysis cell, there is a mixture of aluminium oxide and molten cryolite. Explain why.
Evaluate responses using AI:
OFF
7.
DRAW QUESTION
3 mins • 1 pt
Draw a neat diagram of electrolytic cell used in the purification of copper and label the following: a) Anode b) Cathode

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