A white solid when heated emits a colourless gas that has pungent small.The solid is----a)ko2 b)Pb(No3)2 c)Na2So4
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ko2
u tell me the reasons
ko2 is naphthalene ball .i observe in lab it direct convert solid to gas without taking liquid state
but it doesn't make pungent smell
in que it doesnot tell about smell changes
she had written small insted of smell in question
it only tell about physical change not smell read q again
oh sorry my mistake
it's ok
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hi user here is the answer hope it helps
na2so4 + pungent smell
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na2so4 + pungent smell
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why the answer is not pb (No3)2
because it is na2so4 you an also serch on crome
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