| Quiz | Identification of common gases, flame tests and flame emission spectroscopy |
|---|---|
| Name | |
| Result | PASSED |
| Score | 19 / 23 (82.6%) |
| Passing score | 18.4 |
| Quiz took | 2 min 54 sec |
| Quiz finished at | 2022-04-15 10:30:31 |
A flame test is carried out using a
Which gas causes a lit splint to produce a squeaky pop?
What colour flames do sodium ions produce?
Which substance bleaches damp litmus paper, making it go white?
A flame test is carried out using a platinum wire loop dipped in
What colour flames do potassium ions produce?
The combination of wavelengths emitted by an ion depends on its charge and
When looking at half equations, it is important to ensure that
Before carrying out a flame test, your bunsen burner should have a flame with
Which gas relights glowing splint?
What colour flames do copper ions produce?
What colour flames do lithium ions produce?
Which gas bubbles through limewater, turning it cloudy?
Which of the following is NOT an advantage of using machines over manual testing?
Oxygen gas
Hydrogen gas
The intensity of the spectrum depends on
To identify a substance, you can excite its electrons by placing the substance in a flame. This is known as
Limewater is an aqueous solution of
Chlorine
Spectroscopes detect different wavelengths of light to produce
When electrons drop back to their original energy levels, they
What colour flames do calcium ions produce?