Formula of Galena is________?

A. Pbs
B. Hgs
C. As2s3
D. Fes2

Ethylene diammine is ligand________?

A. Mono dentate
B. Bi dentate
C. Tri dentate
D. Poly dentate

If volumetric analysis methyl orange indicator is used when_________?

A. Acid is strong
B. Acid is weak
C. Bade is strong
D. Acid is strong base is weak

For the reaction 2HI ____________> H2+ I2

A. Kp > kc
B. Kc > kp
C. Kp= kc
D. Kp ≤ kc

The reaction of Lucas reagent is the fastest with_________?

A. (ch3)2choh
B. Ch3(ch2)oh
C. Ch3ch2oh
D. (ch3)3coh

If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?

A. C2h2o4
B. Ch2
C. Ch2o
D. Cho2

Noble gases are so called zero group because they have:_________?

A. Zero valency
B. Zero electronegativity
C. Zero electron affinity
D. Both a and b

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

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

What is chemical symbol for Tungsten?

A. Z
B. T
C. Tn
D. W

Parkinson is a disease of_________?

A. Lungs
B. Eyes
C. Brain
D. Bones