Which of the following shows electrical conduction_____?

A. Potassium
B. Graphite
C. Diamond
D. Sodium

Cassiterite is an ore of_______?

A. Mn
B. Ni
C. Sb
D. Sn

Percentage of lead in lead pencil is________?

A. Zero
B. 20
C. 80
D. 70

In borax bead test which compound is formed_________?

A. Ortho burate
B. Meta borate
C. Double oxide
D. Tetra borate

The expected number of RBCs in a single drop, or microliter, of blood is _________ million in Women.

A. 4.5 to 6.2 million
B. 3.4 to 6.8 million
C. 3.2 to 7.2 million
D. 4.0 to 5.2 million

The normal range of the number of white blood cells in a microliter of blood is between _________ ?

A. 2,500 and 09,300
B. 4,500 and 10,000
C. 4,900 and 12,000
D. None of these

Water molecule is________?

A. V-shaped
B. Angular
C. Pyramidal
D. Triangular planer

I3( Tri-iodine) has shape_________?

A. Trigonal bipyramidal
B. Linear
C. Square bipyramidal
D. Both a and c

BeCl2 has the hybrid orbitaks of type_______?

A. Sp2
B. Sp3
C. Sp
D. Dsp2

Molecular orbital Theory is also called_________?

A. Bonding theory
B. Band theory
C. Antibondingtheory
D.π and σ bonding theory