| Quiz | Identification of common gases, flame tests and flame emission spectroscopy |
|---|---|
| Name | |
| Result | PASSED |
| Score | 23 / 23 (100%) |
| Passing score | 18.4 |
| Quiz took | 3 min 56 sec |
| Quiz finished at | 2025-03-18 22:02:31 |
Limewater is an aqueous solution of
Which gas bubbles through limewater, turning it cloudy?
What colour flames do calcium ions produce?
What colour flames do potassium ions produce?
Chlorine
The intensity of the spectrum depends on
Before carrying out a flame test, your bunsen burner should have a flame with
Which gas relights glowing splint?
What colour flames do lithium ions produce?
Which of the following is NOT an advantage of using machines over manual testing?
Which substance bleaches damp litmus paper, making it go white?
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
The combination of wavelengths emitted by an ion depends on its charge and
What colour flames do sodium ions produce?
Oxygen gas
When looking at half equations, it is important to ensure that
What colour flames do copper ions produce?
A flame test is carried out using a
A flame test is carried out using a platinum wire loop dipped in
When electrons drop back to their original energy levels, they
Which gas causes a lit splint to produce a squeaky pop?
Hydrogen gas