Fun
What colour is water?
Light Blue
What is the product of cold dilute NaOH + Cl2?
NaCl + NaClO + H2O
Flame test colour of Na
yellow
State one use of mild steel
What is the general formula of alkanes?
CnH2n+2
Only element that is liquid at -273.15°C
Helium
What is the result of HCl + H2O?
H+ +Cl- ions
Observations of K + H2O
fizzing, vigorous reaction
What method is used to extract Al???
Electrolysis
Define the term fractional distillation
The separation of chemicals into useful fractions
Which planet has the most sulphuric acid rain?
Venus
What will the colour change of this reaction be: KI + Br2 -> KBr + I2
orange to purple
Hardest group I metal
Li ;)
What will be the product of this reaction: Zn + Cu(NO3)2
Cu + Zn(NO3)2
What is the name of the compound C4H10
Butane
A substance that expands upon freezing?
(Chemical name only)
Dihydrogen Monoxide
Colour of Fluorine gas
Yellow
Reactivity trend of group I metals
increases down the group
State the equation of the thermal decomposition of CuCO3
CuCO3 -> CuO + CO2
Complete and incomplete combustion of ethene
Complete combustion:
C2H4 + O2 ---> CO2 + H2O
Incomplete combustion
C2H4 + O2 ---> 2CO + 2H2O
How many grams of NaCl is in an average human body?
200g
Which halogen is used in mustard gas?
Cl2
What is the pH of the product of K + H2O
10-13
ZnO + C -> Zn + Co
Draw the addition equation:
Propene + Bromine ---> 1-2, Dibromopropane
(Draw addition equation)
C3H6 + Br2 ---> C3H6Br2