C13.1 - AQA Chemistry GCSE Teacher practical - QUIZ

C13.1 · AQA Chemistry GCSE Teacher practical

AQA

Practice 10 questions on C13.1 - AQA Chemistry GCSE Teacher practical at AQA. Free AI-generated quiz on uNotes — track your score, retake anytime.

Questions

2What chemical substance is used to test for the presence of carbon dioxide?

3Which gas is the most abundant in Earth's current atmosphere?

4What process did early bacteria use to make simple foodstuffs, utilizing sunlight and simple molecules?

5According to the timeline, approximately how long ago did the Earth form and its early atmosphere begin to be created?

6What gas was significantly removed from the atmosphere as the oceans formed by condensation of water vapour?

7The word equation for photosynthesis is carbon dioxide + water → glucose + oxygen. What is the balanced symbol equation for this process?

8What observation indicates the presence of oxygen gas when using a glowing splint?

9Which component of plants is necessary for absorbing sunlight for photosynthesis?

10According to the provided text, what is the approximate percentage of oxygen in the Earth's current atmosphere?