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NEET
Exam
NEET
Subject
Chemistry
Chapter
s Block Elements

NEET · Chemistry · s Block Elements

Why are calcium chloride (CaCl 2 ) and magnesium chloride (MgCl 2 )...

Why are calcium chloride (CaCl2) and magnesium chloride (MgCl2) considered impurities in crude sodium chloride?

Options

  1. AThey have a strong odor
  2. BThey are highly toxic to humans
  3. CThey easily absorb moisture from the atmosphere (deliquescent)
  4. DThey cause the salt to become discolored

Correct answer

C. They easily absorb moisture from the atmosphere (deliquescent)

Step-by-step solution

Calcium chloride and magnesium chloride are considered impurities in crude sodium chloride because they are deliquescent, meaning they absorb moisture easily from the atmosphere.
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