| Quiz | Identification of common gases, flame tests and flame emission spectroscopy |
|---|---|
| Name | |
| Result | FAILED |
| Score | 14 / 23 (60.9%) |
| Passing score | 18.4 |
| Quiz took | 9 min 03 sec |
| Quiz finished at | 2022-06-18 12:24:19 |
Spectroscopes detect different wavelengths of light to produce
Hydrogen gas
When looking at half equations, it is important to ensure that
To identify a substance, you can excite its electrons by placing the substance in a flame. This is known as
Before carrying out a flame test, your bunsen burner should have a flame with
Which substance bleaches damp litmus paper, making it go white?
What colour flames do lithium ions produce?
A flame test is carried out using a
Which gas causes a lit splint to produce a squeaky pop?
When electrons drop back to their original energy levels, they
Which gas bubbles through limewater, turning it cloudy?
Chlorine
What colour flames do potassium ions produce?
Oxygen gas
Which gas relights glowing splint?
Limewater is an aqueous solution of
What colour flames do copper ions produce?
The intensity of the spectrum depends on
Which of the following is NOT an advantage of using machines over manual testing?
What colour flames do sodium ions produce?
A flame test is carried out using a platinum wire loop dipped in
The combination of wavelengths emitted by an ion depends on its charge and
What colour flames do calcium ions produce?