1. What is a base?

Question 1 of 14

2. What is an acid?

Question 2 of 14

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

Question 3 of 14

4. Describe the test for carbon dioxide gas

Question 4 of 14

5. State the formula of the zinc ion

Question 5 of 14

6. What two observations can be made when a metal reacts with an acid?

Question 6 of 14

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

Question 7 of 14

8. What is an alkali compared to a base?

Question 8 of 14

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

Question 9 of 14

10. What observations are made when magnesium burns in air?

Question 10 of 14

11. What is the formula for calcium nitride?

Question 11 of 14

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

Question 12 of 14

13. Which are described as basic: metal oxides or non-metal oxides?

Question 13 of 14

14. With universal indicator, what is the pH of a blue solution?

Question 14 of 14


 

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