Question

A student prepared 20% of sodium hydroxide solution in a beaker containing water. the observation noted by him are -


sodium hydroxide in the form of pellets

it dissolves readily in water.

the beaker appears cold when touched from outside

the red litmus turns blue when dipped into the solution




which of them are correct observations

Answer 1

a)Sodium hydroxide is in the form of pellets.
b)It dissolves readily in water.
c)The red litmus turns blue when dipped in the solution.