Q12 of 29 Page 73

Classify aqueous solutions of the following substances according to their pH into three groups : 7, more than 7, less than 7.
Common salt, sodium acetate, hydrochloric acid, carbon dioxide, potassium bromide, calcium hydoxide, ammonium chloride, vinegar, sodium carbonate, ammonia, sulphur dioxide.

State the differences.

Acids and bases

State the differences.

Cation and anion

State the differences.

Negative electrode and positive electrode.

Collect information about electroplating. Make a list of articles in day-to-day life, where this technique is used.

Questions · 29

5. Acids, Bases and Salts

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Classify aqueous solutions of the following substances according to their pH into three groups : 7, more than 7, less than 7.Common salt, sodium acetate, hydrochloric acid, carbon dioxide, potassium bromide, calcium hydoxide, ammonium chloride, vinegar, sodium carbonate, ammonia, sulphur dioxide.