CBSE Class 10 Science Question 8 of 60

Solved 2022 Term 1 Question Paper CBSE Class 10 Science — Question 8

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Question

Question 8

Select from the following the statement which is true for bases.

  1. Bases are bitter and turn blue litmus red.
  2. Bases have a pH less than 7.
  3. Bases are sour and change red litmus to blue.
  4. Bases turn pink when a drop of phenolphthalein is added to them.
Answer

Bases turn pink when a drop of phenolphthalein is added to them.

Reason — Phenolphthalein is a pH indicator which turns pink when added to a basic solution.