Question:

The milk of lime is

Updated On: Jul 7, 2022
  • suspension of $CaCO_3$ in water
  • suspension of $Ca(OH)_2$ in water
  • suspension of sand in water
  • suspension of $CaSO_4$ in water
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The Correct Option is B

Solution and Explanation

Milk of lime is suspension of $Ca(OH)_2$ in water whereas a clear solution of $Ca(OH)_2$ in water is called Lime water
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Concepts Used:

Group 2 Elements

The group two or alkaline earth metals are s-block elements with two electrons in their s-orbital. They are alkaline earth metals. They are named so because of the alkaline nature of the hydroxides and oxides.

Alkaline earth metals are characterized by two s-electrons. This group of elements includes:

  • Beryllium (Be)
  • Magnesium (Mg)
  • Calcium (Ca)
  • Strontium (Sr)
  • Barium (Ba)
  • Radium (Ra)

Elements whose atoms have their s-subshell filled with their two valence electrons are called alkaline earth metals. Their general electronic configuration is [Noble gas] ns2. They occupy the second column of the periodic table and so-called as group two metals also.