Information from a chemical equation

Chemical Equations

A chemical equation is a means

What are the essentials of a chemical equation ? What is the information conveyed by a chemical equation ?

A shorthand representation of a chemical reaction is known as the chemical equation.

(a) Potassium chlorate (KClO_(3)) on heating forms potassium chloride and oxygen. Write a balanced equation for this reaction and indicate the evolution of gas. (b) Rewrite the following information in the form of a balanced chemical equation Magnesium burns in carbon dioxide to from magnesium oxide and carbon.

Why is it necessary to balance a chemical equation ? Outline briefly the various steps for balancing a chemical equation by hit and trial method.

Convey the following information in the from of a balanced chemical equation : On adding an aqueous solution of sodium hydroxide to an aqueous solution of copper sulphate, copper hydroxide is precipitated and sodium sulphate remains in solution.

How is polythene prepared from ethene ? Give chemical equation only