The element having electronic configuration [kr] 4d10, 4f14,5s2,5p6,5d1,6s2 belongs to __________?

A. S-block
B. P-block
C. D-block
D. F-block

Which one of the following is a bridge element?

A. Be
B. Cl
C. K
D. P

The common oxidation state of lanthanides is_________?

A. +3
B. +2
C. +1
D. +4

Which of the following is most soluble on water?

A. Baso4
B. Srso4
C. Caso4
D. Mgso4

Which of the following orbitals has maximum penetration effect?

A. S
B. P
C. D
D. F

Which of the following phenomenon is considered responsible for Global Warming?

A. Greenhouse effect
B. Fire in coal mines
C. Dry farming
D. Monsoon

The number of d-electrons in Fe2+ (Z = 26) is not equal to that of____________?

A. P-electrons in ne(z = 10)
B. S-electrons in mg(z = 12)
C. D-electrons in fe(z = 26)
D. P-electrons in ci(z = 17)

The metallurgical process in which a metal is obtained in a fused state is called__________?

A. Smelting
B. Roasting
C. Calcinations
D. Froth floatation

The molecules of which gas have highest speed?

A. H2 at -73oc
B. Ch4 at 300 k
C. N2 at 1,027oc
D. O2 at 0oc

The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is___________?

A. Dalton’s law
B. Gay lussac’s law
C. Henry’s law
D. Raoult’s law