Chemical Analysis Flashcards
1
Q
what is a formulation?
A
a mixture designed to be a useful product
2
Q
does each component in formulation have to be precise
A
yes
3
Q
give 3 examples of forumlations
A
food products, alloys, medicines, fuels, cleaning product, cosmetic, fertilisers, pesticides
4
Q
what is the test for hydrogen
A
squeaky pop
5
Q
what is the test for oxygen
A
relighting splint
6
Q
what is the test for co2
A
limewater
7
Q
what is the test for chlorine
A
damp litmus paper
8
Q
what is a pure substance
A
a pure substance contains one element or compound
9
Q
how can the purity of a substance be tested
A
high melting and boiling points
10
Q
what is chromatography
A
a technique used to separate out substances which are all soluble in the same solvent
