NAT

NAT Verbal Chemistry Online Practice Exam 2

 

Exam Name: NAT (Chemistry)
Subject / Discipline:  Chemistry 
Exam Type: Multiple Choice Questions
Total Questions: 30
Pass Percentage 50%
Time: 20 Minutes
Level: National Aptitude Test

 

Welcome to your NAT Verbal Chemistry Test 2

The mass of the neutron is of the order of

The maximum number of electrons in a sub shell for which l = 3 is

The number of electrons in the M shell of the element with atomic number 24 is:

The symbol of the element whose atoms have the outer most electronic configuration 2s² 2p³ is

The valence orbital configuration of an element with atomic number 23 is

In cold countries ethylene glycol is added to water in radiators of cars during winter. It results in

Saturated solution of NaC1 on heating becomes

 What happens when isotonic solution of A (mol. wt. 342) and B (mol. wt 60) are put in to communication through semipermeable membrane?
 

Which inorganic precipitate acts as semipermeable membrance?

The molal elevation constant is the ratio of the elevation in boiling point to

The osmotic pressure of solution increases if.

The freezing point of 1 molal NaC1 solution assuming NaC1 to be 100% dissociated in water in

Which of the following is a colligative property?

The movement of solvent molecules through a semipermeable membrane is called

Which is not a colligative property?

An electrolyte

The reference calomel electrode is made from which of the following?

If a salt bridge is removed between the two half cells, the voltage

A certain current liberate 0.5g of hydrogen in 2 h. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution?

When quantity of electricity passed is one faraday then the mass deposited at the electrode is equal to

Which of the substances Na, Hg, S Pt and graphite can be used as electrodes in electrolytic cells having aqueous solution?

A solution of sodium was electrolysed using some inert electrodes. The products at the electrodes are

A current of 9.65 ampere flowing for 10 minutes deposits 3.0 g of the metal which is monovalent. The atomic mass of the metal is

A cell constant is generally found by measuring the conductivity of aqueous solution of

When electricity is passed through molten Al2O3 + Na3AlF6 and 13.5 gms of Al are deposited, the number of faraday must be

The weight of 11.2 liters of CO2 at S.T.P. would be

One mole of a gas refers to

The kinetic theory of gases predicts that total kinetic of a gaseous assembly depends on

Wt. of 112 m1 of oxygen at NTP on liquefaction would be

The number of atoms in 0.004 g of magnesium is close to

Which of the following statement is correct if the intermolecular force in liquids A, B and C are in the order A < B < C?

The relative rates of diffusion of a gas (Mol. Wt. = 98) as compared to hydrogen will be

The total pressure exerted by a number of non reacting gases is equal to the sum of partial pressure of the gases under the same condition is known as

The relative rate of diffusion of a gas (molecular weight = 128) as compared to oxygen is

The vapour density of a gas is 11.2. the volume occupied by 11.2g of this gas at N.T.P is

 The alkali metal which is liquid at 15°C is

Which of the following has greatest tendency to lose electron?

Number of elements present in the fifth period of periodic table is

Which of the following elements is most electronegative?

Which of the following statements is most appropriate about effective nuclear charge? It depends upon

Variable valency is generally exhibited by

Which has largest first ionization energy?

Which of the following does not reflect the periodicity of elements?

Which of the following pairs are chemically dissimilar?

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