squeaky pop test Flashcards
1
Q
how do we first prepare the experiment?
A
The test for hydrogen consists of holding a BURNING splint held at the open end of a TEST TUBE of GAS
2
Q
how do we know if hydrogen present?
A
If the gas is hydrogen it burns with a loud “SQUEAKY POP” which is the result of the rapid combustion of hydrogen with oxygen to produce WATER
3
Q
where do we put the splint?
A
Be sure not to insert the splint right into the tube, just at the mouth, as the gas needs air to burn