Question

practically
1. Finding the pH of the following samples by using pH paper/universal

indicator :

(a) Dilute Hydrochloric Acid

(b) Dilute NaOH Solution

(c) Dilute Ethanoic Acid Solution

(d) Lemon juice

(e) Water

(f) Dilute Hydrogen Carbonate Solution

Study the properties of acids and bases (HCl & NaOH) by their reaction

with :

(a) Litmus solution (Blue/Red)

(b) Zinc metal

(c) Solid sodium carbonate

Answer 1

1. A To study the properties of base (NaOH) by its reaction with Litmus solution (Blue/Red), ... Acids are compounds that contain hydroxyl group which dissolve in water to ... is taken in a test tube and few drops of HCl is added to it using a dropper.

2. C

To study the properties of base (NaOH) by its reaction with Litmus solution (Blue/Red), ... Acids are compounds that contain hydroxyl group which dissolve in water to ... is taken in a test tube and few drops of HCl is added to it using a dropper.