Common Formulae + Tests
No description yet. This curated deck is ready for daily study.
Card preview (16)
What is the formula and state symbol for water
H2O
What is the formula and state symbol for hydrogen gas?
H2 (g)
What is the test for Hydrogen gas (test 1 mark / positive result 1 mark)
Add a lighted splint and it makes a squeaky pop
What is the formula and state symbol for oxygen gas?
O2 (g)
What is the test for oxygen gas? (test 1 mark / positive result 1 mark)
Add a glowing splint and the splint relights
What is the formula and state symbol for carbon dioxide at room temperature?
CO2 (g)
What is the test for carbon dioxide gas (1 mark for test / 1 mark for positive result)
Bubble the gas through lime water which will go cloudy if the gas is carbon dioxide
What is the formula and state symbol for Chlorine at room temperature?
Cl2 (g)
What is the name, formula and state symbol for the gas that comes out of the gas taps ?
Methane CH4 (g)
Calcium carbonate has the formula CaCO3. Which atoms and how many of them are in calciu m carbonate?
Calcium (Ca) x 1 Carbon (C) x 1 Oxygen (O) x 3
Sodium chloride is table salt. Give the fromula and state symbol for table salt
NaCl (s)
Table salt dissolves in water to give salt solution. Give the formula and state symbol for salt solution
NaCl (aq)
Copper sulpate forms blue crystals. Give the formula and state symbol for copper sulphate crystals
CuSO4 (s)
What elements and how many of them are in Copper sulphate CuSO4
Copper (Cu) x 1 Sulphur (S) x 2 Oxygen (O) x 4
What ions and how many of them are in copper sulphate CuSO4
Copper ions Cu2+ x 1 Sulphate ions SO42- x 1