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Question
What happens when we add dilute sulphuric acid to lime water? Is the mixture hot or cold?
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Solution
Lime water is a dilute solution of Ca(OH)2, which is a base.
so on addign H2SO4 acid results in producing salt and water
it is called a neutralisation rection.
Ca(OH)2+H2SO4===>CaSO4+H2O
Acid +base===>Salt+water
The mixture willbe hot since all neutralisation reactions are exothermic and releases heat.
note:Exothermic reactions. These are reactions that transfer energy to the surroundings. The energy is usually transferred as heat energy, causing the reaction mixture and its surroundings to become hotter.
so on addign H2SO4 acid results in producing salt and water
it is called a neutralisation rection.
Ca(OH)2+H2SO4===>CaSO4+H2O
Acid +base===>Salt+water
The mixture willbe hot since all neutralisation reactions are exothermic and releases heat.
note:Exothermic reactions. These are reactions that transfer energy to the surroundings. The energy is usually transferred as heat energy, causing the reaction mixture and its surroundings to become hotter.
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