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15ml of water and 10ml of sulphuric acid are to be mixed ina beaker
(a) State the method that should be follwed with reason
(b) What is this process called ?
(a) The method to be followed is that , acid (sulphuric acid) should be added to water , and not vice versa. That is , water should NEVER be added to acid. This is because water reacts very vigorously when added to acid, and releases a large amount of heat , and splashes the concentrated acid( sulphuric acid) out of the container. Hence, it is COMPULSORY to add acid to water , as only a little amount of heat is released,and also the reaction won't be that violent.
(b) The process of adding acid to water , is called dilution of acids.
Explain the action of dilute hydrochloric acid on the following with chemical equation crushed egg sheels.
•HCl + CaCo3 --CaCl2 + H2O + Co2
When hydrochloric acid reacts with crushed egg shells and utilise to formation of calcium chloride carbon dioxide and water.
Why ammonia is considered as base, even it does not contain hydroxyl ion?
In water, ammonia forms ammonium hydroxide. While adding water, ammonia ionises for forming the ions of ammonium and hydroxide ions.
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