Chemistry Paper 2 GCSE AQA Foundation Verified Sol
Chemistry Paper 2 GCSE AQA Foundation Verified Sol
Chemistry Paper 2 GCSE AQA Foundation Verified Sol
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Chemistry Paper 2 GCSE AQA Foundation Verified Solutions
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Chemistry Paper 2 GCSE AQA Foundation Verified Sol
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Chemistry Paper 2 GCSE AQA Foundation Verified Sol
Chemistry Paper 2 GCSE AQA Foundation Verified Solutions
1. What is the state of balance reached when a chemical reaction and its reverse reaction occur at the
same rate?
Answer: Equilibrium.
2. What is a substance that speeds up a chemical reaction without being consumed or altered?
Answ...
chemistry paper 2 gcse aqa foundation verified sol
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Chemistry Paper 2 GCSE AQA Foundation Verified Sol
Chemistry Paper 2 GCSE AQA Foundation Verified Sol
Chemistry Paper 2 GCSE AQA Foundation Verified Sol
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Chemistry Paper 2 GCSE AQA Foundation Verified Solutions
1. What is the state of balance reached when a chemical reaction and its reverse reaction occur at the
same rate?
Answer: Equilibrium.
2. What is a substance that speeds up a chemical reaction without being consumed or altered?
Answer: A catalyst.
3. What are the approximate percentages of gases in the Earth's atmosphere, respectively?
Answer: Oxygen (20%), Nitrogen (79%), Water vapor (1%), and Carbon dioxide (<1%).
4. What is the equation for the process by which plants produce glucose and oxygen?
Answer: Carbon dioxide + water → Oxygen + glucose.
5. Why do countries face challenges in reducing carbon dioxide emissions?
Answer: Due to disagreements and limited resources.
6. What is the process of separating a mixture by passing it through a filter?
Answer: Filtration.
7. How does electrolysis work, and what is its application?
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