1. What colour are copper compounds?
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Other questions in this quiz
2. What is used to detect halide ions
- Silver Nitrate Solution
- Sodium Carbonate
- Gold Nitrate Solution
3. What state and colour is iodine at room temperature?
- A grey Solid
- A black liquid
- A black powder
- A grey gas
4. What can be found in untreated water?
- Dirt and dust particles
- dust particles, microbes and fertillizers
- Pollutants, insoluble particles, microbes, dissolved salt and minerals
- Fertillizers, minerals, and dirt
5. What can transitional metals and their compounds be used as?