3
Explain the term chemical reaction with special reference to reactants and products.
Give a suitable example with equation to show the representation of a chemical reaction.
A chemical reaction is often accompanied by external indications or characteristics.
Give two examples where a chemical reaction is accompanied by a change in colour of the reactants &
products on completion of the reaction.
Give balanced equations for reactions involving evolution of a gas on addition of dilute acid to -
a) sodium sulphite b] calcium carbonate.
Give a balanced equation for conversion of - a) an ammonium salt to a basic gas b] a soluble lead salt
to an insoluble lead salt - formed as a white precipitate.
Answers
Answered by
3
Answer:Explain the term 'chemical reaction' with special reference to - 'reactants' and 'products'. Solution: A chemical reaction is a reaction between substances that react together and form new products. The existing substances that undergo this reaction are reactants and the new substances formed are products.
Explanation:
Similar questions