IMSU Chemistry 2014/2015 Past Questions

When steam is passed over white-hot coke, the products are

The maximum number of quantum number of electrons that can be accommodated in the shell having the principal quantum number 3 is

Methanol is obtained from wood by

Which of the following processes is a physical reaction,

If the volume of a given mass of gas at 298 K and a pressure of 205.2 x 10³ Nm^-2 is 2.12dm³, what is the volume of the gas at s.t.p.? (Standard pressure = 101.3 x 10^-3 Nm^-2, Standard temperature = 273 (K))

The following acids are monobasic except

The reactions of ethyne are mainly

When air is passed through potash and then pyrogallol, the components remaining are noble gases,

The halide used widely in photography is

The scum formed when soap is mixed with hard water could be

What is the quantity of electricity produced when a current of 0.5A is passed for 5 hours 45 mins? (1F = 96500C).

The rate of a reaction is proportional to the number of effective collisions occurring per second between the reactants. This statement is associated with the:

The d-block elements are paramagnetic because they:

Which of the following statements about a radioactive substance is/are correct?
I. It emits radiation continuously and spontaneously.
II. The emitted radiations are affected by temperature and pressure.
III. The radiation can penetrate opaque matter.

Sodium chloride is a common

All crystals

Which of the following is not an important industrial acid?

When milk sours, what acid is formed?

The molecular lattice of iodine is held together by

The bleaching action of chlorine gas is effective due the presence of

The function of zinc electrode in a galvanic cell Is that it

A suitable solvent for iodine and naphthalene is

The impurities formed during the laboratory preparation of chlorine gas are removed by

The importance of sodium aluminate (III) in the treatment of water is to