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

1. Write the word equation for the reaction between methane and bromine

Question 1 of 10

2. Work out the empirical formula of an oxide of chlorine contains 7.1 g of chlorine and 1.6 g of oxygen.

Question 2 of 10

3. Describe an experiment to prepare a pure, dry sample of an insoluble salt, starting from two soluble reactants

Question 3 of 10

4. Which is more reactive: iron, copper, magnesium or aluminium?

Question 4 of 10

5. What will happen to the equilibrium position when we add a catalyst? Give a reason for your prediction. 2A (s) + B (g) ⇋ C (g) + D (g) (-∆H)

Question 5 of 10

6. What is the universal indicator colour of a weakly acid solution?

Question 6 of 10

7. Define the term Solvent

Question 7 of 10

8. What is meant by the term exothermic?

Question 8 of 10

9. Write ionic half-equations for the reactions at the electrodes in aluminium extraction

Question 9 of 10

10. To determine the formula of a metal oxide by combustion, magnesium is heated in a crucible. Why is the crucible is cooled, weighed, reheated, cooled, re-weighed, and so on?

Question 10 of 10


 

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