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Home » Balance the following chemical equations and identify the type of chemical reaction. (a) Mg(s) + (g) → (s) (b) HgO(s) → Heat Hg(l) + (g)
Balance the following chemical equations and identify the type of chemical reaction.
(a) Mg(s) + Cl_2 (g) → MgCl_2 (s)
(b) HgO(s) → Heat Hg(l) + O_2 (g)
CBSE | Chemical Reactions and Equations | Class 10 | NCERT Exemplar | Science
Balance the following chemical equations and identify the type of chemical reaction.
(a) Mg(s) + Cl_2 (g) → MgCl_2 (s)
(b) HgO(s) → Heat Hg(l) + O_2 (g)

Answer: (a) Mg(s) + Cl2(g) → MgCl2(s)

A combination reaction, also known as a synthesis reaction, is a type of reaction in which two or more substances are combined.

(b) 2HgO(s) — (Heat) → 2 Hg(I) + O2(g)

This is an example of a reaction involving thermal decomposition.

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