Question

Write the chemical equation for the following- a) Magnesium ribbon is burnt in air b) Iron nails kept in Copper sulphate solution c) Rusting of iron d) Carbon dioxide gas passed through lime water

Answer 1

Answer:

2Mg + O2 --> 2Mgo

Fe + CuSO4 --> FeSO4 + Cu

Fe + O2 + H2O --> Fe2O3 + H2

CO2 + CaO --> CaCO3

Answer 2

Answer:

a. 2Mg + O2 ----> 2MgO

b. Fe + Cu SO4 -----> FeSO4 + Cu

c. Fe + H2O ------> FeO + H2

d. CO2 +  Ca(OH)2 ------> CaCO3 + H2O

Explanation:

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