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

1. Explain what is meant by electric current

Question 1 of 10

2. Describe the structure of metals

Question 2 of 10

3. Nitric acid and silver nitrate are added to a solution containing iodide ions. Describe the result.

Question 3 of 10

4. In paper chromatography if several dyes rise up the paper, why might another dyes not rise?

Question 4 of 10

5. Is potassium nitrate soluble?

Question 5 of 10

6. If an atom loses electrons what happens to its charge?

Question 6 of 10

7. Explain how crude oil is separated into fractions

Question 7 of 10

8. When NaOH is added to a sample, the resultant gas turns damp red litmus paper blue. What cation was present in the sample?

Question 8 of 10

9. What is the formula for calcium bromide?

Question 9 of 10

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

Question 10 of 10