Give suitable reasons for the following:
a)We feel burning sensation in the stomach when we overeat.
b)The crystals of washing soda change to white powder on exposure to air.
c)An aqueous solution of Sodium Chloride is neutral but an aqueous solution of Sodium Carbonate is basic.
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(a) When we eat we feel burning sensation in the stomach because of the formation of more acid. HCl is the acid that is formed in our stomach in response to quickly digesting the over eaten food. This is the main reason for feeling the burning sensation in the stomach
(b) CRYSTALS OF WASHING SODA CHANGE TO WHITE IN COLOUR ON EXPOSURE TO AIR. ... When sodium carbonate crystals are exposed to air They lose water of crystallization and turn to white powder. This process of loosing water of crystallization when exposed to air is called efflorescence.
(b) CRYSTALS OF WASHING SODA CHANGE TO WHITE IN COLOUR ON EXPOSURE TO AIR. ... When sodium carbonate crystals are exposed to air They lose water of crystallization and turn to white powder. This process of loosing water of crystallization when exposed to air is called efflorescence.
Raffermation:
c)part??
I forgot to write by mistake i posted
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sakshi*
Answered by
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a) It is due to the secretion of excess hydrochloric acid in the stomach.
b) it's due to the loss of water of hydration from it.
c) Nacl is a neutral salt formed by strong acid and strong base where as Sodium carbonate is a salt which is formed by a two different nature of acid and base.
b) it's due to the loss of water of hydration from it.
c) Nacl is a neutral salt formed by strong acid and strong base where as Sodium carbonate is a salt which is formed by a two different nature of acid and base.
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