Question

You are provided with four test tubes containing sugar solution, baking soda solution, tamarind solution, and salt solution. Write down the activity to find the nature (acidic/basic/neutral) of each solution.

Answer 1

Add blue litmus solution and then red litmus solution and note down the change in colour.

Sugar solution: No change in colour of blue or red litmus solution.

Baking soda solution: Turns red litmus blue. Tamarind

solution:  Turns blue litmus red.

Salt solution: No change in colour of blue or red litmus solution.
Hence,

Sugar solution, salt solution – neutral Baking soda

solution – basic

Tamarind solution – acidic