| 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 | 4 min 19 sec |
| Quiz finished at | 2022-06-18 12:32:13 |
Oxygen gas
Hydrogen gas
What colour flames do calcium ions produce?
Which gas causes a lit splint to produce a squeaky pop?
What colour flames do sodium ions produce?
What colour flames do potassium ions produce?
The intensity of the spectrum depends on
Which substance bleaches damp litmus paper, making it go white?
Chlorine
Spectroscopes detect different wavelengths of light to produce
The combination of wavelengths emitted by an ion depends on its charge and
Which of the following is NOT an advantage of using machines over manual testing?
To identify a substance, you can excite its electrons by placing the substance in a flame. This is known as
What colour flames do copper ions produce?
Which gas relights glowing splint?
Which gas bubbles through limewater, turning it cloudy?
When electrons drop back to their original energy levels, they
A flame test is carried out using a platinum wire loop dipped in
Limewater is an aqueous solution of
What colour flames do lithium ions produce?
When looking at half equations, it is important to ensure that
A flame test is carried out using a
Before carrying out a flame test, your bunsen burner should have a flame with