Lithium found in the form of ……..
a) complex minerals
b) earth crust
c) potassium salts
d) artificial
Which of the following is found mostly in the form of spodumene?
a) lithium
b) sodium
c) potassium
d) cesium
Sodium and potassium are abundantly found
a) complex minerals
b) earth crust
c) potassium salts
d) artificial
Sodium and potassium are abundantly……% found on earth crust.
a) 1.2
b) 2.4
c) 5.3
d) 6.3
Rubidium and cesium are found in the form of ……..
a) complex minerals
b) earth crust
c) potassium salts
d) artificial
Which one of the following is least reactive?
a) lithium
b) sodium
c) potassium
d) all of these
