Question

In writing chemical equation, inclusion of state Symbols shall
be done while.
(1) correct chemical formula of reactants and products written.
(2) The equation is being balanced to fulfil the conservation of mass.
(3) The equation has been balanced
(4) The chemical formule of products and reactants have beenchanged to bring about quick balancing
​

Answer 1

In writing a chemical equation, inclusion of state symbols shall be done while. (1) Correct chemical formula of reactants and products written. (2) The equation is being balanced to fulfil the conversation of mass.

Explanation:

• Left side of a chemical equation, reactants are mentioned and right side are the products mentioned.

• Number of moles of a substance which is used or produced in any chemical reaction is indicated by the coefficients mentioned next to the symbol of entities.

• State symbols tells the physical state of each substance included in the chemical reaction.

• Specially in ionic reaction, physical state of substances are mentioned in parentheses next to the symbol of that chemical.

Answer 2

Answer:

CORRECT ANSWER IS OPTION C

THE EQUATION MUST BE BALANCED.