This quiz pulls questions at random from the entire 1100+ question-bank

1. Calcium carbonate reacts with an excess of hydrochloric acid in a flask. The volume of carbon dioxide given off is measured in a gas syringe. This is shown on the graph. How would the graph look different if the reaction was done with twice the volume of the acid?

Question 1 of 10

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

Question 2 of 10

3. Write the word equation to represent the reaction between nitric acid and copper carbonate

Question 3 of 10

4. State two properties of aluminium that make it suitable for use in food cans

Question 4 of 10

5. Is copper carbonate soluble?

Question 5 of 10

6. What is the formula for lithium nitride?

Question 6 of 10

7. How many electrons in an oxide ion?

Question 7 of 10

8. 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 8 of 10

9. Name this molecule

Question 9 of 10

10. What is the formula for vanadium (V) oxide?

Question 10 of 10


 

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