| Quiz | Identification of common gases, flame tests and flame emission spectroscopy |
|---|---|
| Name | |
| Result | PASSED |
| Score | 20 / 23 (87%) |
| Passing score | 18.4 |
| Quiz took | 3 min 16 sec |
| Quiz finished at | 2023-11-06 21:09:25 |
A flame test is carried out using a platinum wire loop dipped in
To identify a substance, you can excite its electrons by placing the substance in a flame. This is known as
Chlorine
When electrons drop back to their original energy levels, they
Oxygen gas
Which gas bubbles through limewater, turning it cloudy?
Limewater is an aqueous solution of
Hydrogen gas
Which gas relights glowing splint?
A flame test is carried out using a
What colour flames do calcium ions produce?
The combination of wavelengths emitted by an ion depends on its charge and
Which gas causes a lit splint to produce a squeaky pop?
What colour flames do lithium ions produce?
The intensity of the spectrum depends on
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
What colour flames do copper ions produce?
Spectroscopes detect different wavelengths of light to produce
What colour flames do potassium ions produce?
What colour flames do sodium ions produce?
Which substance bleaches damp litmus paper, making it go white?
Which of the following is NOT an advantage of using machines over manual testing?