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Chemistry CBSE Live product
Class 10
Acids, bases and salts
Chemical properties of acids and bases
12.
TBQ - Acid with water
Question:
2
m.
Answer the following questions.
1.
While diluting an acid, why is it recommended that the acid should be added to water and not water to the acid?
To prevent the violent boiling and splashing of hot water.
To prevent the violent boiling and splashing of concentrated acid.
To be safe from the diluted solution
Adding acid to water is an endothermic reaction and it can boil violently, causing splashing and burns.
2.
Why does dry \(HCl\) gas not change the colour of the dry litmus paper?
Dry HCl gas does not release \(H^+\) ions
Dry HCl gas releases \(OH^-\) ions
Dry HCl gas does not release \(Cl^-\) ions
Dry HCl gas releases \(H^+\) ions
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