Chemical Reactions & Equations Chemical Reactions: change in colour, state, the evolution of gas, change in temperature Chemical Equation: Shorter way, concise & useful instead of using...
Chemical reactions and equations : Equation: Reactant + product = chemical equation Reactant; The substance which undergo a chemical change in the reaction Method of writing a reaction: Arrow...
How to write a Chemical Equation? Representation of a chemical reaction in terms of symbols and chemical formulae of the reactants and products is known as a chemical equation. Zn(s) + dil. H2SO4(aq)...
Let us balance the following chemical equation – Fe + H2O → Fe3O4 + H2 Step I: To balance oxygen atoms, we can put coefficient ‘4’ as 4H2O Step II: Let us balance hydrogen...