Quiz: Writing Word Equations and Balancing Symbol Equations
OCR GCSE Combined Science J250
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Welcome to this quiz on writing word equations and balancing symbol equations. Test your knowledge with 10 questions and learn something new!
Which of the following is a correct word equation for photosynthesis?
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Which of the following are examples of chemical reactions? (Select all that apply)
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The equation for respiration is: glucose + {{blank0}} → carbon dioxide + {{blank1}}.
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Match the items on the left with their correct pairs on the right
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Balance the following equation: H2 + O2 → H2O. How many molecules of H2 and O2 are needed?
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What is a word equation for the reaction between hydrochloric acid and sodium hydroxide?
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Match the items on the left with their correct pairs on the right
In a combustion reaction, a fuel reacts with {{blank0}} to produce energy, carbon dioxide, and {{blank1}}.
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Which of the following is correctly balanced?
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