| Quiz | Identification of common gases, flame tests and flame emission spectroscopy |
|---|---|
| Name | |
| Result | FAILED |
| Score | 16 / 23 (69.6%) |
| Passing score | 18.4 |
| Quiz took | 3 min 25 sec |
| Quiz finished at | 2022-08-12 15:32:48 |
The combination of wavelengths emitted by an ion depends on its charge and
When electrons drop back to their original energy levels, they
What colour flames do potassium ions produce?
Which gas causes a lit splint to produce a squeaky pop?
What colour flames do lithium ions produce?
A flame test is carried out using a platinum wire loop dipped in
Which gas relights glowing splint?
What colour flames do calcium ions produce?
Spectroscopes detect different wavelengths of light to produce
Which substance bleaches damp litmus paper, making it go white?
When looking at half equations, it is important to ensure that
Oxygen gas
Before carrying out a flame test, your bunsen burner should have a flame with
Which of the following is NOT an advantage of using machines over manual testing?
Limewater is an aqueous solution of
Hydrogen gas
Which gas bubbles through limewater, turning it cloudy?
What colour flames do sodium ions produce?
Chlorine
To identify a substance, you can excite its electrons by placing the substance in a flame. This is known as
A flame test is carried out using a
The intensity of the spectrum depends on
What colour flames do copper ions produce?