| 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 | 3 min |
| Quiz finished at | 2025-02-19 11:28:21 |
What colour flames do potassium ions produce?
When electrons drop back to their original energy levels, they
Hydrogen gas
Which of the following is NOT an advantage of using machines over manual testing?
A flame test is carried out using a
The intensity of the spectrum depends on
Spectroscopes detect different wavelengths of light to produce
Which gas causes a lit splint to produce a squeaky pop?
Before carrying out a flame test, your bunsen burner should have a flame with
The combination of wavelengths emitted by an ion depends on its charge and
What colour flames do calcium ions produce?
Oxygen gas
Chlorine
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
What colour flames do sodium ions produce?
What colour flames do lithium ions produce?
What colour flames do copper ions produce?
When looking at half equations, it is important to ensure that
Which substance bleaches damp litmus paper, making it go white?
Which gas relights glowing splint?
Which gas bubbles through limewater, turning it cloudy?
A flame test is carried out using a platinum wire loop dipped in