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Question
Which of the following is called impure sodium chloride?
Which of the following is called impure sodium chloride?
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Solution
The correct option is D rock salt
Halite commonly known as rock salt is the mineral form of sodium chloride. This mineral is typically colourless or white but may also be light blue, purple, pink or grey depending upon the type of impurities. It is commonly found as massive sedimentary rocks. Brine solution (a mixture of water and salt) has lower freezing point than the pure water.
Halite commonly known as rock salt is the mineral form of sodium chloride. This mineral is typically colourless or white but may also be light blue, purple, pink or grey depending upon the type of impurities. It is commonly found as massive sedimentary rocks. Brine solution (a mixture of water and salt) has lower freezing point than the pure water.
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