>. The insan
8 compounds that are formed when metals or
Classify the following reactions as combination, displacement, decomposition or
neutralization reactions.
3. CaCO---CaO + CO2,
Cu+2AgNO---Cu(NO3)2+ 2Ag
3. NAOH+HCl---- NaCl + H2O
1. Fe+S---FeS
utions and balance them.
Answers
Answer:
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Answer:
Combination or Synthesis Reactions Two or more reactants unite to form a single product.
S + O2 ---------> SO2
sulphur oxygen sulphur dioxide
2 S + 3 O2 ---------> 2 SO3
sulphur oxygen sulphur trioxide
2 Fe + O2 ---------> 2 FeO
iron oxygen iron (II) oxide
Decomposition Reactions A single reactant is decomposed or broken down into two or more
products.
CaCO3 ----------> CaO + CO2
calcium carbonate calcium oxide carbon dioxide
2 H2O -----------> 2 H2 + O2
water hydrogen oxygen
2 KClO3 -----------> 2 KCl + 3 O2
potassium chlorate potassium chloride oxygen