1.1.1 distinguish between an acid and a base.
use litmus paper to distinguish between acids and bases.
1.1.2 classify substances as acids or bases.
- bring different substances from home
- rub litmus papers over each of the substances brought
- rub litmus papers over each of the substances brought
- record their observations
- classify the substances as acidic or basic.
Classify the following substances as acids or bases:
1.2.3 prepare Sodium Chloride by neutralization method.
use small quantities of dilute sodium hydroxide and hydrochloric acid to prepare sodium chloride.
evaporate the product from the reaction to obtain Sodium Chloride crystals (common salt).
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