Question

1. Which of the following is not an acid-base indicator?
a. blue litmus b. methyl orange c. phenolphthalein d. digene
2. Which of the following is a strong acid?
a. nitric acid b. citric acid c. acetic acid d. tartaric acid
3. which of the following is not a base
a. sodium hydroxide b. magnesiumhydroxide c. copper hydroxide b. ammonium hydroxide.
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Answer 1

1. c) digene

2. a) nitric acid

3. c) copper hydroxide

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