Question : Sodium Calcium Silicate is called________.
Option 1: hard glass
Option 2: borosilicate glass
Option 3: soft glass
Option 4: jena glass
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Correct Answer: soft glass
Solution : The correct option is soft glass.
Soft glass refers to soda-lime glass and is the most common type. It is used in daily objects such as windows, bottles, and glasses. The chemical formula of soda-lime glass is Na2O.CaO.6SiO2. It is a compound composed of several oxides, notably sodium silicate (Na2SiO3), calcium silicate (CaSiO3), and silica (SiO3).
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Question : Which mineral salt is dissolved in a major amount in ocean water?
Option 1: Calcium chloride
Option 2: Calcium carbonate
Option 3: Sodium chloride
Option 4: Calcium sulphate
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 : Chemical name of bleaching powder is
Option 1: Calcium chlorate
Option 2: Calcium hypochlorite
Option 3: Calcium chloro hypochloride
Option 4: Calcium bi chloride
Question : The metallic contituents of hard water are:
Option 1: Magnesium calcium and tin
Option 2: Iron ,tin and calcium
Option 3: Calcium ,magnesium and iron
Option 4: Magnesium ,tin and iron
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
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