2. The colour of phenolphthalein in basic
(b) bitter
(d) tasty
Exercises
Q.1 MULTIPLE CHOICE QUESTIONS:
1. All bases have
(a) sweet
(c) sour
taste.
solution is:
(a) white
(C) yellow
3. When an acid reacts with a base,
(b) pink
(d) colourless
is formed along with water.
(b) carbon dioxide
to touch.
(b) slippery
(a) oxygen
(c) salt
(d) sugar
4. Bases are
(a) coarse
(c) sticky
(d) soapy
5.
sting.
(a) Maleic
(c) Carbonic
> VERY CUT AUCWED USTIONS
acid is present in bee
(b) Formic
(d) Acetic
Answers
Answer:
ANSWER
Phenolphthalein a synthetic indicator which remains colourless in acidic and neutral medium whereas it changes it's colour to pink in basic medium.
Basic salt is formed when a strong base and a weak acid react with each other.
Since the strength of one of the reacting species is more (in this case it is a base), the nature of the product formed is according to the nature of the stronger reacting species (in this case the salt will be basic in nature).
Therefore, phenolphthalein will turn pink basic salt solution.
Hence, the correct answer is option (C).
Explanation:
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Answer:
1. the colour of phenolphthalein in acid is colourless and in base it is pink
2. all the bases are bitter in taste
3. the acid which is present in bee have formic acid to get relief of them we use baking soda
4. bases are soapy in nature and acids are corrosive in nature
5. the solution is yellow