Chemistry 0620 · IGCSE · The characteristic properties of acids and bases

The characteristic properties of acids and bases — practice question

Acids are essential laboratory chemicals.
(a(i))[1]

State the term used for acids that fully dissociate in water.

(a(ii))[2]

Complete the equation to show how sulfuric acid dissociates fully in water. H$_2$SO$_4$ → ……………………

(a(iii))[1]

State the colour of methyl orange in sulfuric acid.

(b(i))[2]

Add the state symbols to complete the equation.

(b(ii))[4]

Calculate the concentration of dilute nitric acid by following these steps: work out the mass of 1 mole of ZnCO$_3$; work out how many moles of ZnCO$_3$ react; determine how many moles of HNO$_3$ react; calculate the concentration of HNO$_3$.

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