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Starter quiz
Chemical reactions: acid and metal — Starter quiz
Question 1 of 4
Select all that apply
Which of the following describes what universal indicator is?
▶
Read aloud
a
Paper that turns different colours depending on the pH of the solution.
b
A solution that turns different colours depending on the pH of the solution.
c
Paper that turns red or blue to indicate if a solution is acid or alkaline.
d
A solution that turns cloudy when carbon dioxide is present.
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