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

1. For what is the separation technique of crystallisation used?

Question 1 of 10

2. A graph shows the solubility of sodium chloride in water at 50°C is 34g/100g. At that temperature, what mass of sodium chloride will dissolve in 200g water?

Question 2 of 10

3. What is the problem with burning addition polymers to dispose of them?

Question 3 of 10

4. Describe the test for hydrogen gas

Question 4 of 10

5. How many protons in a sodium atom?

Question 5 of 10

6. In the test for sulfate ions, what result shows they are present?

Question 6 of 10

7. Is barium nitrate soluble?

Question 7 of 10

8. Put these 3 alkali metals in order of reactivity, starting with the most reactive: potassium, francium, lithium

Question 8 of 10

9. Recall the names of the main fractions obtained from crude oil, in order of lowest boiling point first

Question 9 of 10

10. State the problem associated with sulfur dioxide in the atomosphere?

Question 10 of 10


 

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