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

1. Explain why metals are malleable

Question 1 of 10

2. Recall all the possible products of the incomplete combustion of alkanes

Question 2 of 10

3. If pieces of lithium, potassium and sodium were added to water, how could observations of the different reactions indicate the relative reactivity of those 3 metals?

Question 3 of 10

4. What is a mass number?

Question 4 of 10

5. In the dot and cross diagram of the outer electrons showing the covalent bonding in a molecule of oxygen (O₂), how many electrons should be shown in areas 1, 2 and 3?

Question 5 of 10

6. Explain the effects of increasing the temperature on the rate of a reaction in terms of particle collision theory

Question 6 of 10

7. Where are non-metals found on the periodic table?

Question 7 of 10

8. State the general formula of alkanes

Question 8 of 10

9. A substance is found to melt at a single, fixed melting point. Is it likely to be a pure substance or a mixture of substances?

Question 9 of 10

10. What does the following diagram represent?

Question 10 of 10