1. hydrochloric acid + magnesium →

Question 1 of 14

2. Can a base neutralise an acid?

Question 2 of 14

3. What is an alkali?

Question 3 of 14

4. What is the formula for ammonium sulfide?

Question 4 of 14

5. A gas is bubbled through limewater and the limewater goes cloudy. Identify the gas.

Question 5 of 14

6. If copper chloride has the formula CuCl₂, what is the formula of the copper ion?

Question 6 of 14

7. What is an alkali compared to a base?

Question 7 of 14

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

Question 8 of 14

9. How can metal carbonates be used to produce carbon dioxide?

Question 9 of 14

10. When carbon burns in air, is the oxide acidic or basic?

Question 10 of 14

11. What is the pH of a weak acid?

Question 11 of 14

12. State the colour of litmus in acidic and alkaline solutions

Question 12 of 14

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

Question 13 of 14

14. If an element conducts electricity, is it typically a metal or a non-metal?

Question 14 of 14


 

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