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

1. What 2 properties makes esters useful in food flavourings and in perfumes?

Question 1 of 10

2. What is the name for this piece of lab equipment?

Question 2 of 10

3. In a flame test, a lilac colour is seen. Give the formula of the cation which is present.

Question 3 of 10

4. When testing a sample for ions, hydrochloric acid and then barium chloride are added to a sample. A white precipitate forms. What is the name of that precipitate?

Question 4 of 10

5. What is meant by the term activation energy?

Question 5 of 10

6. What is meant by the term element?

Question 6 of 10

7. Is barium nitrate soluble?

Question 7 of 10

8. What does the following diagram represent?

Question 8 of 10

9. Describe how you would test for sulfate ions (SO₄²⁻) and what is the result if they are present?

Question 9 of 10

10. What colour is hydrated copper (II) sulfate?

Question 10 of 10