1. What is the universal indicator colour of a strongly alkali solution?

Question 1 of 14

2. What is an alkali?

Question 2 of 14

3. With universal indicator, what is the pH of a red solution?

Question 3 of 14

4. Can a base neutralise an acid?

Question 4 of 14

5. Describe the test for hydrogen gas

Question 5 of 14

6. Is ammonia acidic or basic?

Question 6 of 14

7. Write the word and chemical equation for the thermal decompostion of calcium carbonate, CaCO₃

Question 7 of 14

8. State the colour of phenolphthalein in acidic and alkaline solutions

Question 8 of 14

9. State the formula for the copper (II) ion

Question 9 of 14

10. Are non-metal oxides acidic or basic?

Question 10 of 14

11. What is the formula for copper (II) sulfide?

Question 11 of 14

12. Balance the following equation: WO₃ + H₂ → W + H₂O

Question 12 of 14

13. sulfuric acid + copper oxide →

Question 13 of 14

14. Name the compound formed when magnesium reacts with oxygen

Question 14 of 14


 

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