Question

what do you mean by combination reactin?give one example​

Answer 1

Answer:

Explanation:

Combining of any 2 substances to form a single product is known as combination reaction.

Here sodium oxide is combined with water gives sodium hydroxide

Na2 + H2O -> 2NaOH

Here magnesium is combined with oxygen to form magnesium oxide

2Mg + O2 -> 2 MgO

Here sulphur is burned in the air to produce sulphur dioxide.

S + O2 -->SO

Answer 2

Answer:

The reaction in which two or more substances combine to form a single product are known as combination reactions.

For example:- When magnesium ribbon us burnt, in air, magnesium oxide is formed.

2mg+ O2 2Mg.

hope it's helpful to you.