Question

Write any three physical properties of bases along with their action on at least three indicators.

Answer 1

Phyical properties of bases are as follow:
Taste: They are bitter in taste.
Effect on skin: They give a feeling of soapy touch and most of bases have a mild corrosive action on skin.

Effect on Indicator:

1. Red Litmus- Red to Blue

2. Methyl orange- Orange to yellow

3. Phenolphthalein- Colourless to pink