| Quiz | Identification of common gases, flame tests and flame emission spectroscopy |
|---|---|
| Name | |
| Result | PASSED |
| Score | 20 / 23 (87%) |
| Passing score | 18.4 |
| Quiz took | 1 min 49 sec |
| Quiz finished at | 2023-02-21 08:26:35 |
Hydrogen gas
When electrons drop back to their original energy levels, they
What colour flames do calcium ions produce?
Which of the following is NOT an advantage of using machines over manual testing?
Chlorine
Which gas bubbles through limewater, turning it cloudy?
What colour flames do potassium ions produce?
What colour flames do copper ions produce?
The combination of wavelengths emitted by an ion depends on its charge and
What colour flames do sodium ions produce?
What colour flames do lithium ions produce?
The intensity of the spectrum depends on
Before carrying out a flame test, your bunsen burner should have a flame with
To identify a substance, you can excite its electrons by placing the substance in a flame. This is known as
Spectroscopes detect different wavelengths of light to produce
Limewater is an aqueous solution of
A flame test is carried out using a platinum wire loop dipped in
Which substance bleaches damp litmus paper, making it go white?
When looking at half equations, it is important to ensure that
Which gas causes a lit splint to produce a squeaky pop?
Oxygen gas
A flame test is carried out using a
Which gas relights glowing splint?