Which of the following compound is known as caustic soda?

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  1. NaOH
  2. NaHCO3
  3. NaCl
  4. Na2CO3

Answer (Detailed Solution Below)

Option 1 : NaOH
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Detailed Solution

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Explanation:

  • Sodium hydroxide (NaOH) is known as ‘Caustic Soda’.
  • 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

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