A. 1/2sec
B. 1/3rd
C. 1/4th
D. 1/5th
A. IA and VIA
B. IA IIA and VIIA
C. IB and VIIB
D. IA and IB
A. Alpha radiations
B. Gamma radiations
C. Beta radiations
D. AOT
A. Causes skin cancer
B. Causes anemia
C. Alters body tissue
D. is unstable
A. lanthanides & actinides
B. s and p block elements
C. chalcogens and halogens
D. d and f block elements
A. Auf bau principle
B. Hunds rule
C. Paulis Exclusion principle
D. All these
A. saturated solutions of each liquid
B. unsaturated solutions of each liquid
C. normal solution of each liquid
D. no layer formation takes place