| Quiz | Identification of common gases, flame tests and flame emission spectroscopy |
|---|---|
| Name | |
| Result | PASSED |
| Score | 21 / 23 (91.3%) |
| Passing score | 18.4 |
| Quiz took | 2 min 24 sec |
| Quiz finished at | 2022-04-26 16:59:18 |
Before carrying out a flame test, your bunsen burner should have a flame with
What colour flames do potassium ions produce?
Oxygen gas
What colour flames do sodium ions produce?
What colour flames do calcium ions produce?
The intensity of the spectrum depends on
A flame test is carried out using a
To identify a substance, you can excite its electrons by placing the substance in a flame. This is known as
When looking at half equations, it is important to ensure that
What colour flames do copper ions produce?
Which of the following is NOT an advantage of using machines over manual testing?
Which gas causes a lit splint to produce a squeaky pop?
Which gas relights glowing splint?
Which gas bubbles through limewater, turning it cloudy?
Hydrogen gas
The combination of wavelengths emitted by an ion depends on its charge and
Chlorine
Spectroscopes detect different wavelengths of light to produce
Limewater is an aqueous solution of
What colour flames do lithium ions produce?
Which substance bleaches damp litmus paper, making it go white?
When electrons drop back to their original energy levels, they
A flame test is carried out using a platinum wire loop dipped in