ICSE Class 10 Chemistry 2018 Solved Paper

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State one relevant observation for each of the following :
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Question : 22
Total: 80
Lead nitrate solution is mixed with dilute hydrochloric acid and heated.
Solution:  
A white ppt of lead chloride PbCl2 is obtained on adding dil HCl , which dissolves on heating and reappear on cooling.
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