Question

(ग) कविता में 'धन्य' किसे कहा गया है?
किसान को
मानवता को
पंचतत्व को
कर्मक्षेत्र को​

Answer 1

(a) Alkali metals: They are placed in IA group, the first column on the left of the periodic table.

(b) Alkaline earth metal: They are placed in IIA group, the second column on the left of the periodic table.

(c) Iron and Zinc: Fe is placed in VIII group and Cu is placed in IB group.

(d) Aluminium: It is placed in IIIA group present on the right of periodic table.