| Quiz | Identification of common gases, flame tests and flame emission spectroscopy |
|---|---|
| Name | |
| Result | PASSED |
| Score | 22 / 23 (95.7%) |
| Passing score | 18.4 |
| Quiz took | 20 min 15 sec |
| Quiz finished at | 2022-09-26 09:37:36 |
Before carrying out a flame test, your bunsen burner should have a flame with
What colour flames do lithium ions produce?
The intensity of the spectrum depends on
When electrons drop back to their original energy levels, they
What colour flames do calcium ions produce?
Chlorine
Spectroscopes detect different wavelengths of light to produce
To identify a substance, you can excite its electrons by placing the substance in a flame. This is known as
Which substance bleaches damp litmus paper, making it go white?
What colour flames do sodium ions produce?
Which gas causes a lit splint to produce a squeaky pop?
Hydrogen gas
What colour flames do copper ions produce?
What colour flames do potassium ions produce?
Oxygen gas
The combination of wavelengths emitted by an ion depends on its charge and
When looking at half equations, it is important to ensure that
A flame test is carried out using a
Which gas bubbles through limewater, turning it cloudy?
Limewater is an aqueous solution of
Which of the following is NOT an advantage of using machines over manual testing?
A flame test is carried out using a platinum wire loop dipped in
Which gas relights glowing splint?