Contents

Calcium is present …….position in second group in the periodic table.
a) second              

b) third 

c) first

d) fourth

b

The appearance of Calcium is……..solid.
a) yellow                                               

b) silvery white
c) green                                 

d) silvery grey

b

The density of Calcium is ……g.cm-3.
a) 1.13  

b) 0.891                

c) 1.55   

d) 0.321

c

The melting point of Calcium is…….°.
a) 97.6  

b) 880                   

c) 851

d) 970

c

The boiling point of Calcium is…….°.
a) 1397.6              

b) 1106 

c) 1487

d) 1970

c

Chemical Properties of Magnesium and Calcium: