Question

Which of these substances is basic in nature?
(a)Baking soda
(b)Curd
(c)Lemon
(d)Orange

Answer 1

Lemon and Orange is basic in nature.

Answer 2

Baking soda is basic in nature.

• The curd, lemon and orange are acidic in nature because presence of acids is observed in these substances.
• Only the baking soda or NaHCO3 is basic in nature.
• The basic nature of the baking soda can be proved by the blue colour of the litmus paper.
• Rest of the substances will give red colour in the litmus paper, which suggest their acidic nature.