S3 Chemistry: Acids and Bases
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In Inglés

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S3 Chemistry: Acids and Bases - Marcador
S3 Chemistry: Acids and Bases - Detalles
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Preguntas:
28 preguntas
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Describe a solution with a pH of 13 | Strong Alkali |
Describe a solution with a pH of 9 | Weak Alkali |
Describe a solution with a pH of 2 | Strong Acid |
What type of oxides form acidic solutions? | Soluble Non-Metal Oxides |
Name 3 Acidic Gases | Carbon Dioxide Nitrogen Dioxide Sulphur Dioxide |
Which gas is responsible for ocean acidification? | Carbon Dioxide |
Which gas is responsible for the greenhouse effect? | Carbon Dioxide |
Why is the greenhouse effect a problem? | Causes Global Warming |
What is responsible for increased carbon dioxide levels? | Burning of fossil fuels Cement production |
Name the main gas responsible for acid rain | Sulphur Dioxide |
What is the source of sulphur dioxide emissions? | Burning of fossil fuels containing sulphur (coal) |
How are emissions of sulphur dioxide reduced? | Removing sulphur from fossil fuels Chemical scrubbers to remove it from waste gas |
Describe the effects of acid rain on the environment | Stunts tree growth Erodes metal & limestone structures Increases erosion rate of steel structures (bridges) |
How do you know which metal oxides form alkalis? | Check solubility table |
Name 3 types of bases | Metal oxides, hydroxides, carbonates |
What salts are produced by nitric acid? | Nitrate salts |
What salts are produced by sulphuric acid? | Sulfate salts |
What salts are produced by hydrochloric acid? | Chloride salts |
Give the definition of a neutralisation reaction? | Reaction with acid as a reactant and water as a product. |
Write the word equation for: Nickel Carbonate and sulphuric Acid | Nickel Carbonate + Sulphuric Acid -> Nickel Sulphate + Carbon Dioxide + Water |
Write the word equation for: Potassium oxide and Hydrochloric acid | Potassium Oxide + Hydrochloric acid -> Potassium chloride + water |
What is this apparatus? | Filtration Apparatus |
What is this apparatus? | Evaporation of nickel chloride solution |