The pale green choking smell gas which bleaches indicator paper white is
Hydrogen
Iodine
Chlorine
Oxygen
The presence of water can be detected using
Anhydrous copper (II) sulphate
Anhydrous calcium chloride
Anhydrous potassium sulphate
Sulphuric acid
Substances that will kill bacteria and so they fight diseases caused by bacteria are called
Tranquillisers
Anti-cancer agents
Sedatives
Antibiotic
The colour of flame for copper ion is
Apple green
Blue green
Crimson
Lilac
Drugs used in relieve pain
Analgesics
Antibiotics
Sedative
The unsaturated compound can be tested using
Bromine water
Iodine water
Chlorine water
HCl
