MCQ Quiz

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MCQ Quiz

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What is the PH value of lemon juice?

2 points

5.9 - 6.0

3.5- 4.0

7.0- 7.7

8.5-9.0

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Which solution has dark blue colour when tested with PH paper?

2 points

1MNaOH

1MHCl

Lemon juice

Tomato juice

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What is the PH value of tap water?

2 points

7.0- 7.5

2.0-3.0

6.0-6.5

None of the above

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When is saliva more acidic?

2 points

Before meal

After meal

Both a and b

None of the above

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What colour does the PH paper turn when testing a solution with a PH of 2.5?

2 points

Blue

Red

Green

Yellow

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