Chemical reactions: combustion
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Waxaan qeexi karaa hababka gubashada iyo gubista, oo aan magacaabi karaa waxsoosaarka falcelinnadan.
Introduction
In this lesson: I can describe the processes of combustion and burning, and name the products of these reactions. Combustion requires fuel, oxygen, and an initial source of energy, usually heat, to start the reaction. The term 'burning' describes the reaction of substances with oxygen and is commonly used to refer to visible flames.
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Quizzes
1. CO₂ contains carbon and oxygen atoms. Which of the following chemicals also contain both carbon and oxygen atoms?
- CH₄
- Correct answer:CO
- O₂
- Correct answer:C₆H₁₂O₆
- NaCl
1. What is combustion?
- A process where substances melt.
- Correct answer:A reaction where substances react with oxygen to release energy.
- A process where substances dissolve in water.
- A reaction that only produces water.
2. Which of the following is often formed in chemical reactions if oxygen and carbon atoms are present?
- Correct answer:Carbon dioxide
- Water
- Glucose
- Carbon
3. When there is limited oxygen present during a combustion reaction, carbon monoxide will be produced (not carbon dioxide). What is the formula for carbon monoxide?
- Correct answer:CO
- C + O
- CO₂
- C₂O
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The same lesson as a pupil sees it. You can set any section as work on its own.
- IntroductionPrepare
- Starter quizActivate · 1 question
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- Exit quizCheck · 3 questions