Question

defien different types of chemical reactions and give one example of each???

Answer 1

a systematic way to represent a chemical change using names of symbols and Compounds

for e. g. calcium carbonate reacts to form calcium oxide and carbon dioxide

Answer 2

Combination reaction - H2 +O2 = 2H2O
Neutralisation reaction- NaOH+HCl=NaCl+H2O
Decomposition reaction-Cu+H20=CuO+H2
Double decomposition reaction-AgCl+NaNo3=NaCl+AgNO3