What precaution must be taken while diluting | vedclass

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(B) Dilution should always be performed by adding concentrated acid to water,never by adding water to concentrated acid.This is because the process of

Vedclass · Accepted Answer

Always add acid to water slowly with constant stirring.

Vedclass · Answer

(B) Dilution should always be performed by adding concentrated acid to water,never by adding water to concentrated acid.This is because the process of dissolving a concentrated acid in water is highly exothermic.If water is added to concentrated acid,the large amount of heat generated can cause the mixture to splash out,potentially causing severe acid burns.Therefore,one should always add acid to water slowly while stirring the solution constantly to dissipate the heat.

Name of the salt	Formula	Base	Acid
$(i)$ Ammonium chloride	$NH_{4}Cl$	$NH_{4}OH$	-
$(ii)$ Copper sulphate	-	-	$H_{2}SO_{4}$
$(iii)$ Sodium chloride	$NaCl$	$NaOH$	-
$(iv)$ Magnesium nitrate	$Mg(NO_{3})_{2}$	-	$HNO_{3}$
$(v)$ Potassium sulphate	$K_{2}SO_{4}$	-	-
$(vi)$ Calcium nitrate	$Ca(NO_{3})_{2}$	$Ca(OH)_{2}$	-

What precaution must be taken while diluting a concentrated acid?

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