Question

explain the following reactions with example combination reaction double displacement reaction

Answer 1

combination reacrion are those reaction in which two or more substance combined to form a new substance is called combination reacrion .
eg h2 +o -H2O

Answer 2

Combination reaction is a reaction in which two reactants combine to form a single product.

Eg. C + 2H2 => CH4


In a double displacement reaction, an exchange of ions occurs.

Eg. BaCl2 + NaSO4 => BaSO4 + NaCl