Question : The common name of sodium tetraborate decahydrate is _____.
Option 1: Epsom salt
Option 2: Gypsum
Option 3: Borax
Option 4: Galena
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Correct Answer: Borax
Solution : The correct option is Borax.
Its chemical formula is Na2[B4O5(OH)4].8H2O. Borax is known for its various uses, including as a cleaning agent, a component in laundry detergents and certain industrial applications. In metallurgical processes, borax is employed as a flux to facilitate the melting of metals and the removal of impurities.
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Question : The chemical name of 'common salt' is
Option 1: Sodium chloride
Option 2: Sodium nitrate
Option 3: Ammonium chloride
Option 4: Calcium chloride
Question : Chile saltpetre is the common name of
Option 1: Sodium Nitrate
Option 2: Potassium Nitrite
Option 3: Potassium Nitrate
Option 4: Sodium Nitrite
Question : What is the chemical name of 'baking soda'?
Option 1: Sodium carbonate
Option 2: Sodium bicarbonate
Option 3: Sodium nitrite
Option 4: Sodium nitrate
Question : The main components of liquid bleach are:
Option 1: Sodium Chloride
Option 2: Sodium Hypochlorite
Option 3: Hydrochloric Acid
Option 4: Sodium Thiosulphate
Question : The chemical name "Hypo", commonly used in photography is:
Option 1: Sodium Thiosulphate
Option 2: Silver Nitrate
Option 3: Sodium Nitrate
Option 4: Silver Iodide
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