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Questions and Answers
What can be used to represent chemical equations in a shorter and more useful way?
What can be used to represent chemical equations in a shorter and more useful way?
- Words
- Symbols
- Chemical formulae (correct)
- Graphs
In a chemical equation, what does 'Mg' represent?
In a chemical equation, what does 'Mg' represent?
- Water
- Magnesium (correct)
- Magnesium oxide
- Oxygen
Why is it important to balance a skeletal chemical equation?
Why is it important to balance a skeletal chemical equation?
- To make the equation look symmetrical
- To increase the number of atoms on both sides
- To ensure the equation is concise
- To satisfy the law of conservation of mass (correct)
What is the consequence of an unbalanced chemical equation?
What is the consequence of an unbalanced chemical equation?
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Which law states that mass can neither be created nor destroyed in a chemical reaction?
Which law states that mass can neither be created nor destroyed in a chemical reaction?
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What does a balanced chemical equation ensure?
What does a balanced chemical equation ensure?
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