NCERT Important Questions Class 10 Science
CBSE 2022-2023.
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
NCERT book extra.
Write chemical equations for the reactions taking place when: (i) Iron reacts with steam. (ii) Magnesium (Mg) reacts with dil. HCl. (iii) Copper is heated in air.
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(i) Iron reacts with steam
3Fe(s) + 4H₂O (g) ⟶ Fe₃O₄ + 4H₂
(ii) Magnesium reacts with dil. HC1
Mg + 2HC1 ⟶ MgC1₂ + H₂
(iii) Copper is heated in air.
2Cu + O₂ ⟶ 2Cuo