grade 10 - quiz on balancing chemical equations

Which of the following is the correct balanced equation?

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What coefficient should be placed before water when the following equation is balanced?

• 3

• 4

• 5

• 6

What would be the correct balanced chemical equation to form methanol (CH₃OH)?

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From the equation above, which of the following information is NOT correct?

• one mole of propane

• three molecules of carbon dioxide

• ten atoms of oxygen

• one atom of water

5. Which of the following is NOT a step in balancing equation?

• Take note of the elements present in the reactants and products side.

• counts the number of atom/s of each atom present in the reactant and product side

• balance the chemical equation by placing appropriate coefficient before the symbol or formula.

• put subscript to the formula to balance the equation