Question : What is the chemical name of table salt?
Option 1: Potassium bromide
Option 2: Potassium chloride
Option 3: Sodium chloride
Option 4: Sodium bromide
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Correct Answer: Sodium chloride
Solution : The correct answer is Sodium chloride.
Table salt is the popular name for sodium chloride. Its chemical formula is NaCl, and the ratio of sodium to chloride is 1:1. It is a crystalline solid that is typically made of seawater. Table salt is neutral because its pH in water is almost 7.
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Question : Which of the following elements does not belong to group 1 of the modern periodic table?
Option 1: Sodium
Option 2: Radium
Option 3: Potassium
Option 4: Lithium
Question : Name the metal ion used in the Veri-Green process.
Option 1: Aluminium
Option 2: Potassium
Option 3: Zinc
Option 4: Sodium
Question : Which of the following is the common name of Phosgene?
Option 1: Carbonyl Chloride
Option 2: Phosphine
Option 3: Carbon Tetrachloride
Option 4: Phosphorous Trichloride
Question : Goitre is caused due to the deficiency of_______.
Option 1: iodine
Option 2: sodium
Option 3: iron
Option 4: calcium
Question : Which among the following is the primary constituent of pearls?
Option 1: Calcium sulphate
Option 2: Calcium carbonate
Option 3: Sodium bicarbonate
Option 4: Magnesium peroxide
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