Gases in the air Flashcards
1
Q
What is the chemical test for Oxygen?
A
Oxygen relights a glowing splint
2
Q
What is the chemical test for Hydrogen?
A
Hydrogen burns with a squeaky pop
3
Q
What is the chemical test for carbon dioxide?
A
Carbon dioxide turns lime water milky
4
Q
What is Diffusion?
A
diffusion is the movement of molecules/ particles from an area of high concentration to an area of low concentration, until distributed evenly throughout.
5
Q
Will diffusion be quicker in a gas or liquid?
A
gas
6
Q
Where would diffusion occur in cells?
A
diffusion occurs in cells, to allow substances to move through the cytoplasm to reach the area where it will be used in biological processes, such as respiration.
7
Q
What is osmosis?
A
osmosis is a type of diffusion involving water molecule
