Question

how to write 10th science biology experiments​

Answer 1

. Finding the pH of the following samples by using pH paper/universal indicator: (not included for this academic year)

(i) Dilute Hydrochloric Acid

(ii) Dilute NaOH solution

(iii) Dilute Ethanoic Acid solution

(iv) Lemon juice

(v) Water

(vi) Dilute Hydrogen Carbonate solution