Rust is a red - brown powder consisting mainly of
Iron(III)oxide
Iron Chloride
Iron Hydroxide
Magnesium metal is extracted from
Magnesium hydroxide
Magnesium chloride
Magnesium sulphate
Magnesium oxide
Sulphuric acid is manufactured by the process called
Ostwald process
Koope's process
Contact process
Hall's process
98.5% Sulphuric acid is known as
Galena
Calcinite
Vinegar
Oleum
The ore of aluminium is
Copper pyrites
Bauxite
The carbon content in medium steel is
0.45 - 1.5
<0.25
0.25 - 0.45
2.5 - 4.5
The process used for the synthesis of ammonia
Haber - Bosch process
Van - Arkel process
The main ore of iron is
Haematite
Epsom
Concentrated Sodium Chloride solution is called
Brine
Copper is extracted from the ore
Copper sulphide
Copper sulphate
Copper chloride
