Other Flashcards
Less reactive metal + water
Oxide
Reactive metal + water
HYDROXIDE
What must you put if asked Symbol of ion
+ or -
Test for Alkene and not Alkane and result
Bromine water
Will turn from brown to colourless
Why does something melt when heated
There are intermolecular forces
Which are broken easily
Why is something a gas at room tempretures
There are intermolecular forces
That are weak
So little energy is required
Why does something have a high melting point
Giant lattice structure
With strong electrostatic forces
And oppositely charged ions
So large amounts of energy used
What conditions do you need to separate ethanol from a sugar solution
Feementation
Leave at room temperature (25-30)
Leave for several days
These for carbon dioxide
Limewater will go cloudy
Test for oxygen
Light a splint
Blow out
Put in test tube of oxygen
Splint will relight
Test for water
Cobalt chloride paper turn from blue to pink
Hydrogen is
Flammable