RoseMarie Gallagher and Paul Ingram Solutions for Chapter: In the Lab, Exercise 5: Checkup on Chapter 19
RoseMarie Gallagher Chemistry Solutions for Exercise - RoseMarie Gallagher and Paul Ingram Solutions for Chapter: In the Lab, Exercise 5: Checkup on Chapter 19
Attempt the free practice questions on Chapter 19: In the Lab, Exercise 5: Checkup on Chapter 19 with hints and solutions to strengthen your understanding. Complete Chemistry for Cambridge IGCSE® Second Edition solutions are prepared by Experienced Embibe Experts.
Questions from RoseMarie Gallagher and Paul Ingram Solutions for Chapter: In the Lab, Exercise 5: Checkup on Chapter 19 with Hints & Solutions
Ammonium nitrate () is an important fertiliser. The ions in it can be identified by tests. Suggest if the given tests will confirm the presence of ions?
TEST: When a solution of barium ions is added to a solution of the compound, a white precipitate forms.

Ammonium nitrate () is an important fertiliser. The ions in it can be identified by tests. Suggest if the given tests will confirm the presence of ions?
TEST: When sodium hydroxide solution and aluminium foil are added to the solid, ammonia is given off after gentle heating.

A sample of mineral water contained these ions:
Name of ion | Concentration(milligrams/) |
calcium | 55 |
chloride | 37 |
hydrogen carbonate | 248 |
magnesium | 19 |
nitrate | 0.05 |
potassium | 1 |
sodium | 24 |
sulphate | 13 |
Make two lists, one for the anions and the other for the cations present in this mineral water.

A sample of mineral water contained these ions:
Name of ion | Concentration(milligrams/) |
calcium | 55 |
chloride | 37 |
hydrogen carbonate | 248 |
magnesium | 19 |
nitrate | 0.05 |
potassium | 1 |
sodium | 24 |
sulphate | 13 |
Which metal ion is present in the highest concentration?

A sample of mineral water contained these ions:
Name of ion | Concentration(milligrams/) |
calcium | 55 |
chloride | 37 |
hydrogen carbonate | 248 |
magnesium | 19 |
nitrate | 0.05 |
potassium | 1 |
sodium | 24 |
sulphate | 13 |
What mass of calcium metal would be present in a small bottle of water, volume ?

A sample of mineral water contained these ions:
Name of ion | Concentration(milligrams/) |
calcium | 55 |
chloride | 37 |
hydrogen carbonate | 248 |
magnesium | 19 |
nitrate | 0.05 |
potassium | 1 |
sodium | 24 |
sulphate | 13 |
Which of the ions will react with barium nitrate solution to give a white precipitate?

A sample of mineral water contained these ions:
Name of ion | Concentration(milligrams/) |
calcium | 55 |
chloride | 37 |
hydrogen carbonate | 248 |
magnesium | 19 |
nitrate | 0.05 |
potassium | 1 |
sodium | 24 |
sulphate | 13 |
Of the metal ions, only calcium can be identified by a precipitation test. Why is this?

A sample of mineral water contained these ions:
Name of ion | Concentration(milligrams/) |
calcium | 55 |
chloride | 37 |
hydrogen carbonate | 248 |
magnesium | 19 |
nitrate | 0.05 |
potassium | 1 |
sodium | 24 |
sulphate | 13 |
A sample of the water is heated with sodium hydroxide and aluminium foil. Ammonia gas could not be identified, even though the nitrate ion is present. Suggest a reason.
