True or False: Universal indicator is a mixture of several different indicators that can provide a range of colours to estimate the specific pH value of a solution.
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Practise MYP Chemistry questions on 5.5 Acids and Bases and review the explanations to check your understanding.
Use these questions for topic practice and to find ideas you want to revisit in your notes or lessons.
True or False: Universal indicator is a mixture of several different indicators that can provide a range of colours to estimate the specific pH value of a solution.
Which gas, known for its sharp and pungent smell, is released when an ammonium salt reacts with a base like sodium hydroxide?
Fill in the blank: In the laboratory, the chemical test for a carbonate involves adding an acid and observing effervescence; this occurs because the reaction produces __________ gas.
Fill in the blank: Acids are described as __________ because they can damage or 'eat away' materials like metals, stone, and living tissue through chemical reactions.
Which substance is widely used in the paper industry and for treating water to adjust its pH by neutralizing excess acidity?
True
False
Hydrogen
Nitrogen
Carbon dioxide
Ammonia
oxygen
carbon dioxide
hydrogen
ammonia
neutral
corrosive
alkaline
soapy
Ethanoic acid
Sulfuric acid
Citric acid
Sodium hydroxide