Quiz | Identification of common gases, flame tests and flame emission spectroscopy |
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Name | |
Result | FAILED |
Score | 17 / 23 (73.9%) |
Passing score | 18.4 |
Quiz took | 3 min 10 sec |
Quiz finished at | 2022-05-08 08:28:35 |
What colour flames do sodium ions produce?
What colour flames do copper ions produce?
Which substance bleaches damp litmus paper, making it go white?
A flame test is carried out using a
What colour flames do potassium ions produce?
The intensity of the spectrum depends on
Chlorine
Before carrying out a flame test, your bunsen burner should have a flame with
When looking at half equations, it is important to ensure that
Limewater is an aqueous solution of
What colour flames do calcium ions produce?
Which gas bubbles through limewater, turning it cloudy?
When electrons drop back to their original energy levels, they
To identify a substance, you can excite its electrons by placing the substance in a flame. This is known as
Oxygen gas
Hydrogen gas
The combination of wavelengths emitted by an ion depends on its charge and
What colour flames do lithium ions produce?
Spectroscopes detect different wavelengths of light to produce
Which gas relights glowing splint?
Which gas causes a lit splint to produce a squeaky pop?
Which of the following is NOT an advantage of using machines over manual testing?
A flame test is carried out using a platinum wire loop dipped in