The formula of quicklime is ________.

Question

Question

This question was previously asked in

SSC MTS Memory Based Test (Held on: 15 June 2023 Shift 1)

Answer 1

The Correct Answer i.e Calcium oxide (CaO).
Calcium oxide (CaO):
- It is commonly known as Quick lime or burnt lime.
- It is commonly used in making porcelain and glass and also in preparing bleaching powder, etc.
Calcium carbonate (CaCO3):
- It is also known as chalk.
- Calcium carbonate is used as an antacid to relieve heartburn, acid indigestion, etc.
Calcium chloride (CaCl2):
- It is used in the production of activated charcoal and used as an electrolyte in sports drinks.
Calcium hydroxide Ca(OH)2:
- It is also known as slaked lime.
- It is used in sewage treatment, paper production, and food processing, etc.

Additional Information

Some common chemical compounds with their common names are:

Chemical Compounds	Common Names	Chemical Formulas
Sodium Bicarbonate	Baking Soda	NaHCO3
Calcium ChlorohypoChlorite	Bleaching Powder	Ca(ClO)2
Sodium Hydroxide	Caustic Soda	NaOH
Sodium Carbonate	Washing Soda	Na2CO3 .10 H2O
Carbon Dioxide	Dry Ice	CO2
Copper Sulphate	Blue Vitriol	CuSO4
Ferrous Sulphate	Green Vitriol	FeSO4
Sulphuric Acid	Oil of vitriol	H2SO4
Calcium Sulphate Hemihydrate	Plaster of Paris	(CaSO4. 1/2H2O)
Calcium Sulphate Dihydrate	Gypsum	CaSO4.2H2O
Calcium Hydroxide	Slaked Lime	Ca(OH)2
Sodium nitrate	Chile Saltpeter	NaNO3
Potassium nitrate	Saltpetre	KNO3
Hydrochloric acid	Muriatic acid	HCl