34 questions in Acids, bases and salts
Most triedMost missedNewest- What is the pH of a neutral solution?
- What colour does blue litmus paper turn in an acid?
- An acid reacts with a base to form…
- Dilute hydrochloric acid is added slowly to sodium hydroxide solution containing universal indicator.
- Calcium granules of mass 5.0 g were reacted with excess water in a flask on a balance. The mass of the reaction mixture was measured at regular time …
- Some students wanted to keep fish in a tank. They found that fish need water at pH between 7 and 8. The water in the tank was found to be slightly ac…
- The diagram below shows a set-up used to investigate some properties of a gas produced when lithium metal reacts with water. The gas is collected in …
- The diagram below shows a set-up used to produce carbon dioxide gas. Dilute hydrochloric acid was reacted with calcium carbonate.
- An experiment was conducted to investigate the effect of temperature on the rate of a chemical reaction. A 1 cm piece of magnesium ribbon was placed …
- Which of these is an acid?
- Which of these is a base (alkali)?
- What colour does blue litmus paper turn in an acid?
- What colour does red litmus paper turn in an alkali?
- How do acids taste?
- What happens when an acid reacts with an alkali?
- What is the pH of a neutral substance such as pure water?
- A substance with a pH of 2 is ___.
- A substance with a pH of 12 is ___.
- Why do people take an antacid for indigestion?
- Why do farmers add lime to very acidic soil?
- What is used to treat a bee sting, which is acidic?
- Which household substance is an acid?
- Red cabbage juice turns pink in a liquid. What is the liquid likely to be?
- Why is toothpaste slightly alkaline?
- Complete: acid + alkali → ___ + water.
- Complete: acid + metal → salt + ___.
- Complete: acid + carbonate → salt + water + ___.
- What is the test for hydrogen gas?
- What is the test for carbon dioxide?
- What is the test for oxygen?
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