ICSE Class 10 Chemistry 2022 Solved Paper

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Identify the acid in each case :
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Question : 53
Total: 55
An acid, which on adding to lead nitrate solution produces a white precipitate which is soluble on heating.
Solution:  
Hydrochloric acid (HCl) is the acid which on adding to lead nitrate solution produces a white ppt which is soluble on heating.
Pb(NO3)2+2HClPbCl2+2HNO3
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