Popular Chemistry Online: CBSE class X PWT-2 (session 2021-22)

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Tuesday, September 7, 2021

CBSE class X PWT-2 (session 2021-22)

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Class X SCIENCE PWT-1 QUESTION PAPER

CHEMISTRY -13 MARKS 1.  The chemical reaction between Hydrogen sulphide and iodine to give Hydrogen iodide and Sulphur is given below: ...