| Quiz | Identification of common gases, flame tests and flame emission spectroscopy |
|---|---|
| Name | |
| Result | FAILED |
| Score | 12 / 23 (52.2%) |
| Passing score | 18.4 |
| Quiz took | 17 min 03 sec |
| Quiz finished at | 2022-02-20 22:20:03 |
A flame test is carried out using a platinum wire loop dipped in
To identify a substance, you can excite its electrons by placing the substance in a flame. This is known as
Before carrying out a flame test, your bunsen burner should have a flame with
Which gas causes a lit splint to produce a squeaky pop?
Which gas relights glowing splint?
Which of the following is NOT an advantage of using machines over manual testing?
The combination of wavelengths emitted by an ion depends on its charge and
Which substance bleaches damp litmus paper, making it go white?
What colour flames do calcium ions produce?
What colour flames do copper ions produce?
Oxygen gas
What colour flames do sodium ions produce?
Spectroscopes detect different wavelengths of light to produce
A flame test is carried out using a
Chlorine
What colour flames do potassium ions produce?
When electrons drop back to their original energy levels, they
What colour flames do lithium ions produce?
Which gas bubbles through limewater, turning it cloudy?
Hydrogen gas
Limewater is an aqueous solution of
The intensity of the spectrum depends on
When looking at half equations, it is important to ensure that