Related InterviewSolutions

• Sodium is less reactive than potassium. Why ?
• Which of the following NaOH or Mg (OH)2 is strong base ?
• What is plaster of paris? How is it obtained?
• Why is second ionisation energy of alkali metals higher than alkaline earth metals?
• Why do alkali metals not occur in free state?
• Which out of Na, K, Al, Mg occur as oxide in nature?
• The charge/size ratio of a cation determines its polarizing power. Which one of the following sequences represents the increasing order of the polarizing power of the cationic species, K+, Ca2+, Mg2+, Be2+?a. Ca2+ < Mg2+ < Be2+ < K+b. Mg2+ < Be2+ < K+ < Ca2+c. Be2+ < K+ < Ca2+ < Mg2+d. K+ < Ca2+ < Mg2+ < Be2+
• Calcium metal is used to remove traces of air from vacuum tubes. Why?
• Describe Calcium Carbonate and its uses.
• Describe Calcium Oxide and its uses.