A pillar made of an element X develops a green tinge after a period of time. The green coating when dissolved in water turns red litmus blue. (5) a. Identify the element X and name the green product formed due to exposure.
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The element X is copper
The green layer formed on it is cupric oxide and as it is a base, it turns the litmus paper to blue
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The element X is copper
The green layer formed on it is cupric oxide & as it is a base it turns the litmus paper to blue
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