A word-equation shows change of reactants to products through an arrow placed between them. The reactants are written on the left-hand side (LHS) with a plus sign (+) between them. Similarly, products are written on the right-hand side (RHS) with a plus sign (+) between them. The arrowhead points towards the products, and shows the direction of the reaction.
1. Which of the following represents the word equation of formation of water?
(i) Hydrogen + Oxygen \(\longrightarrow\) Water
(ii) Hydrogen – Oxygen \(\longrightarrow\) Water
(iii) Hydrogen + Oxygen = Water
(iv) Both (i) and (iii)
2. Magnesium + Oxygen \(\longrightarrow\) Magnesium oxide,
Which of the following is(are) reactant(s) in the above word equation?
(i) Magesium
(ii) Oxygen
(iii) Both (i) and (ii)
(iv) Magnesium Oxide
3. State true or false: Word equation is the shortest way of representing chemical equations
(i) TRUE
(ii) FALSE
4. Magnesium + Oxygen \(\longrightarrow\) Magnesium oxide
Which of the following is(are) product(s) in the above word equation?
(i) Magesium
(ii) Oxygen
(iii) Both (i) and (ii)
(iv) Magnesium Oxide
5. Which of the following represents the direction of the reaction?
(i) Plus sign
(ii) Arrowhead
