1. State the formula of the silver ion

Question 1 of 14

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

Question 2 of 14

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

Question 3 of 14

4. nitric acid + calcium carbonate →

Question 4 of 14

5. State the colour of methyl orange in acidic and alkaline solutions

Question 5 of 14

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

Question 6 of 14

7. What is the formula for zinc sulfate?

Question 7 of 14

8. Are metal oxides acidic or basic?

Question 8 of 14

9. With universal indicator, what is the pH of a purple solution?

Question 9 of 14

10. What observation is made when carbon burns in air?

Question 10 of 14

11. What is the universal indicator colour of a pH 4-6 solution?

Question 11 of 14

12. What is an alkali?

Question 12 of 14

13. Can a base neutralise an acid?

Question 13 of 14

14. Is ammonia acidic or basic?

Question 14 of 14


 

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