Question

important points on chapter 1 chemical reactions and equations (science) chemistry grade 10

( no useless answer)

Answer 1

types of reactions
1 combination reaction

2.decomposition reaction
3.displacement reaction
4. double displacement reaction
decomposition reaction have three types
A. photochemical reaction
B.electrolytic reaction
C.thermal decomposition reaction

Answer 2

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Combination reaction: A single product is formed from two or more reactants. Decomposition reaction: A single reactant breaks down to yield two or more products. Displacement reaction: One element is displaced by another element. Double displacement reaction: Exchange of ions between reactants.