pale yellow colored powder x is taken in a watch glass and kept in sunlight . after some time it turns into ash coloured material Y then name the material X andY and assume the type of reaction
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I think x is silver bromide . I am sure that the reaction is photochemical reaxtion
asr1:
if X is silver bromide then what is y
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x is sulpur which is non metal.and y is sulphur dioxide which is acidic in nature due to reacting with oxygen
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