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My Acids and Alkalis
A summary of facts to do with acids and alkalis
| Question | Answer |
|---|---|
| What colour does the universal indicator turn when it reacts with something ph4? | Orange. |
| Where can you find hydrochloric acid? | In the human stomach. |
| What kind of ions do alkalis release when they react with water? | hydroxide ions. |
| To which family of substances does lemon juice belong? | acids. |
| What colour does litmus turn when it reacts with an alkali? | blue. |
| Bleach has a pH of 11, is it acidic or alkaline? | Alkaline. |
| Define an base. | A metal oxide or hydroxide. |
| Define an acid. | An acid is dissolved in water to release hydrogen ions, and produces a solution with a pH of below 7. |
| What would be the products of copper oxide and sulphuric acid? | Copper Sulphate and water (a salt and water). |
| Name the reaction between a base and an acid to produce a substance with a pH of 7. | NEUTRALISATION. |