This quiz pulls questions at random from the entire Double-only question-bank

1. For what is the process of simple distillation used?

Question 1 of 10

2. Which is more reactive: gold, sodium, calcium or potassium

Question 2 of 10

3. What is the name of this molecule?

Question 3 of 10

4. In the production of ethanol by fermentation, why is the process done at an optimal temperature of 30⁰C?

Question 4 of 10

5. Name the greenhouse gas released from burning hydrocabons

Question 5 of 10

6. Write the electronic configuration of argon

Question 6 of 10

7. Gas particles move at a speed of several hundred metres per second at room temperature. Explain why gases take several minutes to diffuse across a room

Question 7 of 10

8. What will happen to the yield of C when the temperature is increased? Give a reason for your prediction. A (g) + B (g) ⇋ C (g) (+∆H)

Question 8 of 10

9. All the atoms in group 6 have 6 electrons in their outer shell. What charge ions do they form?

Question 9 of 10

10. What is the formula for sodium hydroxide?

Question 10 of 10


 

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