Question

the two most commonly used salts are sodiumchloride(nacl) and sodium bicarbonate. find out which of these is used (i) as baking powder (ii) as a perservativein pickles and preserving fish and also think of the respective reason for doing so

Answer 1

(i) The sodium bicarbonate is used as baking powder because it reacts with acidic components of dough and produces CO₂. This is important for the leavening of the baking products.

(ii) The NaCl is used as a preservative in pickles and preserving fish because they extract all the moisture from these foods that prevents growth of bacteria.