Question

Q. (a) Mention the four informations given by an equation.
(b) State the law of conservation of mass as applicable in a chemical reaction​

Answer 1

the 4 information given by a completely perfect equations are

- its physical state

-the substances involved in the reaction

-the products

-their mole ratio

-depicts the no. of each molecule or element required for the reaction

the law of conservation of mass for the chemical reaction is that

the total mass of the reactants =the total mass of products

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Answer 2

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⭕  (a) The four types of information given by an equation are as follows :⭕

✴   Physical state of reactants and products.

✴Conditions such as temperature, pressure and heat.

✴Catalyst involved.

✴ Change in the state. 

➿(b) Total mass of the elements present in the reactants of a chemical reaction has to be equal to the total mass of elements present in the products.➿