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Question
Give the name of a soluble lead salt and write the eqution for the action of heat on this salt. Write the equation for the preparation of nitric acid from potassium nitrate.
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Solution
Lead nitrate is soluble salt. On heating lead nitrate the following reaction occurs:
\[\ce{2Pb(NO3)2(s) ->[\Delta] 2PbO(s) + 4NO2(g) + O2(g)}\]
Preparation of nitric acid from potassium nitrate:
\[\ce{KNO3 + H2SO4 ->[200°C] KHSO4 + HNO3}\]
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