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Question
When the substance ‘A’ is added to a solution of BaSO4, a yellow precipitate is formed.
- What do you think substance A is likely to be?
- Name the precipitate.
- Which type of reaction is this?
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Solution
(a) The substance 'A' is potassium chromate (K2Cr07)·
(b) The name of the yellow precipitate is barium chromate (BaCr04).
(c) The type of chemical reaction is double displacement.
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