| Quiz | Identification of common gases, flame tests and flame emission spectroscopy |
|---|---|
| Name | |
| Result | PASSED |
| Score | 20 / 23 (87%) |
| Passing score | 18.4 |
| Quiz took | 5 min 23 sec |
| Quiz finished at | 2025-03-13 22:47:54 |
The combination of wavelengths emitted by an ion depends on its charge and
A flame test is carried out using a platinum wire loop dipped in
Limewater is an aqueous solution of
To identify a substance, you can excite its electrons by placing the substance in a flame. This is known as
A flame test is carried out using a
Before carrying out a flame test, your bunsen burner should have a flame with
What colour flames do copper ions produce?
What colour flames do sodium ions produce?
What colour flames do lithium ions produce?
When looking at half equations, it is important to ensure that
What colour flames do potassium ions produce?
When electrons drop back to their original energy levels, they
Which gas causes a lit splint to produce a squeaky pop?
Hydrogen gas
What colour flames do calcium ions produce?
Which gas relights glowing splint?
Oxygen gas
Which of the following is NOT an advantage of using machines over manual testing?
Which gas bubbles through limewater, turning it cloudy?
The intensity of the spectrum depends on
Chlorine
Which substance bleaches damp litmus paper, making it go white?
Spectroscopes detect different wavelengths of light to produce