Question

what do you mean by displacement reaction combination reaction redaction reaction write balanced chemical equations also​

Answer 1

Answer:

Combination reaction : One or more rectants joined to form a product is known as combination reaction.

Displacement reaction : When the rectant is divided into two products is known as displacement reaction.

Explanation:

Combination reaction : CaO+CO2 -> CaCO3

Displacement reaction : CaCO3 -> CaO + CO2.

Answer 2

Answer:

combination : when 2 or more substances combine to form a complex substance ,it is called . combination reaction.... 2Ca + O2 = 2Cao