Question

two of the most commonly used salts are NaCl and NaHCO3. find out which of these is used as baking soda. as a preservative in pickles and in preserving meat and fish and also think of the respective reasons for doing so.

Answer 1

NaHCO3 is used as baking soda as it releases CO₂ causing the batter to rise.

NaCl absorbs moisture from food, this prevents the growth of microbes which are responsible for spoiling the food.