1. Tetsing for negative ions: how do you test for carbonates?
- Evaporate the water, if scale produce then yes
- Add a dilute acid, pass the gas produced through limewater- if turns cloudy then yes
- Add nitric acid, if hydrogen produced(squeaky pop test) then yes
- Add sodium hydroxide, if is dissolves then yes
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Other questions in this quiz
2. Which dissolved ions cause hardness in water?
- Calcium and Magnesium
- Aluminium and Fluorine
- Magnesium and Aluminium
- Fluorine and Calcium
3. Which of these is NOT a property of transition metals?
- Good conductors of heat and electricity
- More reactive than Group 1 metals
- Dense, strong and shiny
- The ions can form colourful compounds
4. Alkali metals can be found in which group of the periodic table?
5. What happens if you react any acid(including carboxylic) with a carbonate?
- Hydrogen produced only
- A salt and carbon dioxide produced
- Oxygen and water produced
- A salt and hydrogen produced
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