| 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 | 8 min 31 sec |
| Quiz finished at | 2022-05-01 20:42:49 |
Before carrying out a flame test, your bunsen burner should have a flame with
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
Which of the following is NOT an advantage of using machines over manual testing?
Which gas bubbles through limewater, turning it cloudy?
When looking at half equations, it is important to ensure that
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
What colour flames do sodium ions produce?
Which gas causes a lit splint to produce a squeaky pop?
Oxygen gas
Which gas relights glowing splint?
The intensity of the spectrum depends on
What colour flames do potassium ions produce?
What colour flames do copper ions produce?
Spectroscopes detect different wavelengths of light to produce
What colour flames do lithium ions produce?
Hydrogen gas
A flame test is carried out using a platinum wire loop dipped in
Limewater is an aqueous solution of
What colour flames do calcium ions produce?
Chlorine