| Quiz | Identification of common gases, flame tests and flame emission spectroscopy |
|---|---|
| Name | |
| Result | PASSED |
| Score | 23 / 23 (100%) |
| Passing score | 18.4 |
| Quiz took | 1 min 36 sec |
| Quiz finished at | 2023-02-21 13:25:39 |
What colour flames do lithium ions produce?
The combination of wavelengths emitted by an ion depends on its charge and
When electrons drop back to their original energy levels, they
Which substance bleaches damp litmus paper, making it go white?
Which gas bubbles through limewater, turning it cloudy?
Oxygen gas
Which gas causes a lit splint to produce a squeaky pop?
Before carrying out a flame test, your bunsen burner should have a flame with
When looking at half equations, it is important to ensure that
Hydrogen gas
The intensity of the spectrum depends on
What colour flames do copper ions produce?
Limewater is an aqueous solution of
A flame test is carried out using a platinum wire loop dipped in
Which gas relights glowing splint?
What colour flames do sodium ions produce?
A flame test is carried out using a
Spectroscopes detect different wavelengths of light to produce
Chlorine
Which of the following is NOT an advantage of using machines over manual testing?
What colour flames do potassium ions produce?
To identify a substance, you can excite its electrons by placing the substance in a flame. This is known as
What colour flames do calcium ions produce?