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

Question 1 of 14

2. What is an alkali?

Question 2 of 14

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

Question 3 of 14

4. What is the formula for sodium chloride?

Question 4 of 14

5. State the formula of the zinc ion

Question 5 of 14

6. If an element doesn't conducts electricity, is it a metal or a non-metal?

Question 6 of 14

7. What is a base?

Question 7 of 14

8. Is iron (III) hydroxide acidic or basic?

Question 8 of 14

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

Question 9 of 14

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

Question 10 of 14

11. What colour flames to sulfur, carbon and magnesium produce when they burn in air?

Question 11 of 14

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

Question 12 of 14

13. hydrochloric acid + magnesium →

Question 13 of 14

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

Question 14 of 14


 

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