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Chemistry-10th Metals and Non-metals CBSE Board 2025 Medium

A metal, 'X', on treatment with sodium hydroxide liberates a gas 'G'. It also liberates the same gas, 'G' on…

A metal, 'X', on treatment with sodium hydroxide liberates a gas 'G'. It also liberates the same gas, 'G' on treatment with dilute sulphuric acid. Based on above information, 'X' and 'G' respectively are
  1. (a)Copper and Sulphur dioxide
  2. (b)Zinc and Sulphur dioxide
  3. (c)Zinc and Hydrogen
  4. (d)Copper and Hydrogen

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