| Quiz | Identification of common gases, flame tests and flame emission spectroscopy |
|---|---|
| Name | |
| Result | FAILED |
| Score | 17 / 23 (73.9%) |
| Passing score | 18.4 |
| Quiz took | 4 min 34 sec |
| Quiz finished at | 2023-08-12 06:25:10 |
What colour flames do potassium ions produce?
Hydrogen gas
What colour flames do sodium ions produce?
Spectroscopes detect different wavelengths of light to produce
A flame test is carried out using a
Limewater is an aqueous solution of
Which gas relights glowing splint?
To identify a substance, you can excite its electrons by placing the substance in a flame. This is known as
When electrons drop back to their original energy levels, they
What colour flames do lithium ions produce?
What colour flames do copper ions produce?
Oxygen gas
Before carrying out a flame test, your bunsen burner should have a flame with
What colour flames do calcium ions produce?
The combination of wavelengths emitted by an ion depends on its charge and
Chlorine
When looking at half equations, it is important to ensure that
Which substance bleaches damp litmus paper, making it go white?
Which gas bubbles through limewater, turning it cloudy?
A flame test is carried out using a platinum wire loop dipped in
The intensity of the spectrum depends on
Which gas causes a lit splint to produce a squeaky pop?
Which of the following is NOT an advantage of using machines over manual testing?