Question

                                                                                                                                                                                                                                                      (1)

2. State whether “TRUE” or “FALSE”:                                                                                                                                                                   (1)

(a)   Tooth decay is caused by the presence of a base.

(b)  Phenolpthalein is a natural indicator.​

Answer 1

Answer:

(a) False

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(b) True