Question

IV. They are colourless with phenolphthalein and pink with methyl orange
9. Which of the following statements about bases is lare true?
Base is a substance which releases hydroxide ions when dissolved in water
III. Zinc reacts with sodium hydroxide to form Sodium Zineate with the liberation
I.
II.
They change blue litmus to red
of hydrogen gas
(A)
I and III
(B)
II only
(C)
III and IV
(D)
IV and II​

Answer 1

First and second is right