| Quiz | Identification of common gases, flame tests and flame emission spectroscopy |
|---|---|
| Name | |
| Result | PASSED |
| Score | 22 / 23 (95.7%) |
| Passing score | 18.4 |
| Quiz took | 3 min 16 sec |
| Quiz finished at | 2023-04-14 15:02:16 |
What colour flames do potassium ions produce?
The combination of wavelengths emitted by an ion depends on its charge and
What colour flames do lithium ions produce?
Which gas bubbles through limewater, turning it cloudy?
A flame test is carried out using a
Hydrogen gas
Which gas relights glowing splint?
Which gas causes a lit splint to produce a squeaky pop?
Limewater is an aqueous solution of
Oxygen gas
The intensity of the spectrum depends on
What colour flames do sodium ions produce?
What colour flames do copper 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
Spectroscopes detect different wavelengths of light to produce
When looking at half equations, it is important to ensure that
When electrons drop back to their original energy levels, they
Chlorine
What colour flames do calcium ions produce?
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?
To identify a substance, you can excite its electrons by placing the substance in a flame. This is known as