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S3 - pH (up to Acids in Food Industry)

Authored by Craig Angus

Chemistry

6th - 8th Grade

Used 8+ times

S3 - pH (up to Acids in Food Industry)
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32 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What colour would universal indicator be when mixed with a strong acid?

Blue

Red

Green

Purple

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What colour would universal indicator be when mixed with a strong alkali?

Blue

Red

Green

Purple

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What colour would universal indicator be when mixed with a distilled water?

Blue

Red

Green

Purple

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What colour would universal indicator be when mixed with a weak alkali?

Blue

Red

Green

Purple

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Universal indicator, when mixed with a strong acid, turns ___ in colour.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What pH is a strong alkali?

pH 1

pH 5

pH 7

pH 9

pH13

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What pH is a strong acid?

pH 1

pH 5

pH 7

pH 9

pH13

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