14) Note the pH given against the colour which tallies with developed colour in the solution of each sam
Observation table :
Use of universal indicator
Sr. No.
Sample
Colour produced
Approximate pH
1
Dilute HCL
2
Dilute NaOH solution
Lemon Juice
Distilled water
Acetic (ethanoic acid solution
6
Sodium sulphate solution
7
Ammonium chloride solution
8
Sodium bicarbonate solution
aclusion:
Acidic solutions (with pH less than 7)
Basic solutions (with pH more than 7):
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