Convert the following into kg.
(a) "0.91 x 10^-27 g( mass of electron)"
(b) "700g (mass of human DNA molecule )"

2

(a)

If the concentration of glugose (C₆H₁₂O₆) in blood is 0.9 g L^-1, what will be the molarity of glugose blood?

2

(a)

Express the following in SI unit. "5 feet 2 inch"

2

(a)

How many oxygen atoms are there in 18 g of water?

2

(a)

What would be IUPAC names and symbols for elements with atomic numbers 122,127,135,149 and 150?

2

(a)

Write the general outer electronic configuration of s-, p-, d- and f- block elements.

2

(a)

Calculate the kinetic energy of 2g of oxygen at -23^oC

2

(a)

Define common ion effect.

2

(a)

Why is standard hydrogen electrode called reversible electrode?

2

(a)

What is dry ice? Why is it so called?

2

(a)

In Carius method, sulphur is estimated by precipitating it as which compound?

2

(a)

Although benzene is highly unsaturated it does not undergo addition reactions. Why?

2

(a)

Why is acid rain considered as threat to Taj Mahal?

2

(a)

What is meant by polar vortex?

2

(a)