what are the products when calcium carbonate decomposes
calcium oxide and carbon dioxide
Oops!
Check
Okay!
Check
15
what are the diatomic elements
hydrogen, oxygen, fluorine, bromine, iodine, nitrogen and chlorine
Oops!
Check
Okay!
Check
seesaw
Swap points!
Oops!
magnet
Take 20 points!
Okay!
shark
Other team loses 25 points!
Okay!
lifesaver
Give 15 points!
Oops!
15
Write a balanced chemical equation for the following description with states of matter: aqueous sodium hydroxide reacts with aqueous hydrogen chloride to form water and sodium chloride
NaOH(aq) + HCl --> NaCl(s) + H2O(l)
Oops!
Check
Okay!
Check
15
What are the products between methane and oxygen
carbon dioxide and water
Oops!
Check
Okay!
Check
banana
Go to last place!
Oops!
fairy
Take points!
5
10
15
20
25
fairy
Take points!
5
10
15
20
25
thief
Give points!
5
10
15
20
25
lifesaver
Give 20 points!
Oops!
gold
Win 50 points!
Okay!
fairy
Take points!
5
10
15
20
25
thief
Give points!
5
10
15
20
25
baam
Lose 25 points!
Oops!
seesaw
Swap points!
Okay!
gift
Win 15 points!
Okay!
lifesaver
Give 20 points!
Oops!
10
You are burning a molecule in oxygen and one of the products is a black powdery substance. what reaction occurred. be specific.
incomplete combustion (soot produced)
Oops!
Check
Okay!
Check
15
predict the products when magnesium reacts with calcium oxide
NR - Ca is higher than Mg on activity series
Oops!
Check
Okay!
Check
10
When limewater is added to a beaker it doesn't turn milky. what does this mean?
no carbon dioxide present
Oops!
Check
Okay!
Check
10
A cobalt (II) chloride strips turns pink this means what?
Water or water vapour is present
Oops!
Check
Okay!
Check
20
Write a chemical reaction based on the word equation below (predict the products)
Ca + MgO â CaO + Mg
Oops!
Check
Okay!
Check
15
what are the products when lithium and nitrogen combine
lithium nitride
Oops!
Check
Okay!
Check
15
what are the products when nitrogen and hydrogen combine
ammonia or nitrogen trihydride
Oops!
Check
Okay!
Check
10
When a glowing splint is added to a test tube it re-ignites. what is present?
