Subject :NSO Class : Class 8
Class : Class 9
ans D is the correct answer as silver turns black after reaction to hydrogen sulphide
Class : Class 7
Silver turns black, not green. And also silver does not react with water. So, obviously D is the answer.
Subject :NSO Class : Class 7
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 9