Subject :NSO Class : Class 8
Which two experiments can be used to show that air is needed for iron to rust?
(A) 1 and 3 (B) 1 and 4 (C) 2 and 3 (D) 2 and 4
Ans 1: (Master Answer)
Class : Class 1
The correct answer is C.
(A) He should put out fire by a blanket.
(B) He should put out fire by petrol.
(C) He should put out fire using sand.
(A) The bulbs in circuit 
(A) Object 
(C) 
(D) 
of the total cows to his eldest son, 
to the middle son, and the remaining to the youngest son. The number of cows each son (eldest to youngest) will get respectively is _____.
