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

1. How many neutrons in a typical atom of magnesium?

Question 1 of 10

2. How many protons in a helium atom?

Question 2 of 10

3. Describe the chemical test for water

Question 3 of 10

4. What is the functional group of a carboxylic acid?

Question 4 of 10

5. What happens when something melts?

Question 5 of 10

6. What is the formula of aluminium oxide?

Question 6 of 10

7. What is the formula of the calcium ion?

Question 7 of 10

8. What is produced when ethanol is oxidised by heating with the oxidising agent potassium dichromate(VI) (K₂Cr₂O₇) in dilute sulfuric acid (H₂SO₄)?

Question 8 of 10

9. If ammonium nitrate NH₄NO₃ contains the NO₃⁻ ion, what is the formula for the other ion?

Question 9 of 10

10. What does this diagram represent?

Question 10 of 10


 

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