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Q145) A yellow solid, known to be a single compound is completely insoluble in hot water but dissolves in hot dilute HCl to give orange red solution. When this solution is cooled a white crystalline precipitate is formed. then compound is




SOLUTION

When HCl is added to lead chromate it turns white, and a yellow solution is leached off.
Answer: (c)


Q146) The glass with smallest coefficient of expansion is ..




SOLUTION


Answer: (c)


Q147) Lead is most readily dissolves in



SOLUTION

Pb reacts readily with Acetic acid in presence of Oxygen to give lead acetate
Answer:(d)



Q148) Water transported through lead pipes becomes poisonous due to the formation of



SOLUTION


Answer: (b)


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