Water
Anhydrous copper sulphate or cobalt chloride
What percentage of clean dry air is oxygen?
21%
What is the formula of sulphur dioxide?
SO2
What is the name of Group I?
Alkali metals
In what year was BISP opened?
1996
How can you test if water is pure?
Check the boiling point is 100 degrees celcius
What percentage of clean dry air is nitrogen?
78%
Which pollutant gas is produced from incomplete combustion?
Carbon monoxide
What is the formula for sodium chloride?
NaCl
What is the capital of Cuba?
Havana
How are large pieces of dirt and debris removed from untreated water?
filtration
Which gas makes up the majority of the 1% of 'other gases'
Argon
Sulphur dioxide and oxides of nitrogen cause which environmental issue?
Acid rain
Reactions that give out heat are known as which type of reactions?
Exothermic
How many 'Fast and Furious' movies have been released to date
10
What is passed through the water to kill bacteria?
Chlorine
What percentage of clean dry air is carbon dioxide?
0.04%
Greenhouse gases are contributing to which global environmental issue?
Climate change
Complete the general equation:
Acid + alkali -->
Salt + water
What is the name of the non-magical family member in Disney's 'Encanto'?
Mirabelle
What type of bonding is present between atoms in a water molecule?
Covalent
Name a greenhouse gas
Methane or carbon dioxide
What is the main source of nitrogen oxide pollution?
Car exhaust/engines
What is lost when a substance is reduced?
Oxygen
How many countries are in Africa? Will accept answers within a range of 1 from answer.
54