Overall Science Flashcards
Alkenes do what to bromine water
Turn it clear
Saturated
Molecule contains at least 1 double bond
Saturated
No double bonds
Alkanes are
Saturated
Alkenes are
Unsaturated
Cracking an Alkanes creates
An alkane and an alkene
Cracking hexane would make butane and what?
Ethene Butane
H H H H H H
C=C H-C-C-C-C-H
H H H H H H
Polymerisation
Breaking a double bond to create a monomer, more monomers will stick on to make a polymer
Positive phototropism - negative phototropism
Growing towards - away from light
Positive gravitropism - negative gravitropism
Growing towards - away from gravity
The roots of a plant are
Positively GRAVITtrophic
Negatively PHOTOtrophic
The tip/shoots of plants are
Positively PHOTOtrophic
Negatively GRAVItrophic
Alkanes do what to bromine water
Nothing
