| Question | Answer |
| What are the products when acids react with metals? | salt plus hydrogen
|
What are the products when you react an acid and an alkali? | salt plus water
| If calcium carbonate is dissolved in water, what will the pH of the solution be? | anything between 7-14
| Sodium hydroxide + Hydrochloric acid reacts to form what? | Sodium chloride and water
| Lithium hydroxide + sulfuric acid react together to form what? | lithium sulfate plus water
| The electolysis of brine solution produces which useful chemicals? | Chlorine, sodium hydroxide and hydrogen.
| Limewater is the test for which gas? | carbon dioxide
| How do you test for hydrogen gas? | with a lighted splint - the squeaky pop test
| Chlorine gas smells. What does it remind you of? | swimming pools or bleach
| What are the uses of alkalis in industry? | to make soap, fix dyes, to make bleach and cleaning products
| Name three ways to get salt. | Solution mining, mining rock salt, sea salt by evaporation.
| The Leblanc process is dirty and polluting. Explain why. | it produces hydrogen chloride which is an acidic gas. It also produces sodium sulfide. this reacts with the hydrogen chloride when it falls as rain, producing a very smelly hydrogen sulfide gas.
| Clorine is used as a water treatment chemical. Are there any risks associated with this? | yes, chlorine can react with organic matter in the water to produce THCs, poisonous chemicals.
| Cholera is a dangerous disease. How do they prevent the spread of this disease? | put chlorine into the water supply to kill the disease.
| DDT is a dangerous chemicals that do not break down in the environment.What are the risks associated with these chemicals? | they harm predators |
