Question

Put the following substances in acid or base bottle.(a) Milk of magnesia(b) gastric juice in humans(c) soft drinks(d) lime water(e) vinegar(f) soap

Answer 1

Answer:

a,d,f are bases and rest are acids.

Answer 2

Answer:

• A substance which dissolves in aqueous medium to produce ‘hydronium ions’ are called acids.
• A substance which dissolves in aqueous medium to produce ‘hydroxide ions’ are called bases
• A substance which dissolved in aqueous media to produce equal volume of hydroxide and hydronium ions are called salts.

The nature of the given substance are given as follows:

Given substance                            Type of substance

1. Milk of magnesia                     -                Base
2. Gastric juice in humans          -                 Acid
3. Soft drinks                               -                 Acid
4. Lime water                              -                 Acid
5. Vinegar                                   -                 Acid
6. Soap                                       -                  Base