States of Matter [Set 1]

This practice test includes mcqs of states of matter [ solid, liquid and gases]. This practice test has 20 mcqs with a 10 minutes time and four options to choose from,of which only one is correct.

States of Matter [Solid,Liquid and Gas] Set #1

Select the best possible option

  

1 / 20

1. To which of the following mixtures Dalton's law of partial pressures is not applicable?
   1.   HCl and NH3
   2.   CO2 and N2
   3.   CH4 and C2 H6
   4.   CO and CO2
2. Which of the following least resembles an ideal gas
   1.   hydrogen
   2.   ammonia
   3.   trichloromethane
   4.   helium
3. What types of bonds are broken when water turns into steam on heating?
   1.   covalent
   2.   induced dipole interactions
   3.   permanent dipole interacons
   4.   hydrogen bonds
4. Which of the following equaons represents the 2nd ionization energy of Na?
   1.   Na(s) ---> Na2+ (g) + 2e
   2.   Na(g) ---> Na2+ (g) + 2e
   3.   Na+(g) ---> Na2+ (g) + e
   4.   Na+(s) ---> Na2+ (g) + 2e
5. The relaonship between volume of a given amount of gas and prevailing conditions of temperature and pressure are:
   1.   Graham's law
   2.   Boyle's law
   3.   Charle's law
   4.   Gas laws
6. Metals are good conductor of electricity, but their conducvity decreases by increase in temperature because
   1.   electrons go to the iocalized orbital not free
   2.   electrons attracted strongly by the nuclei which resists their free moon
   3.   atoms form ionic bond and no free electrons
   4.   positive metal ions begin to oscillate and their moon hinders the free movement of electrons
7. The bonding which occurs among polar covalent molecules containing H and one of the small electronegave element such as O, F or N is called
   1.   hydrogen bonding
   2.   bridge bonding
   3.   metallic bonding
   4.   Ionic bonding
8. Grey tin crystals belong to
   1.   tetragonal
   2.   rhomtrohedral
   3.   orthorhombic
   4.   cubic
9. The number of molecules in one dm3 of water is close to
   1.   6.02/22.4 x10^23
   2.   55.6x6.02x10^23
   3.   12.04/22.4 x10^23
   4.   18/22.4x 10^23
10. The highest temperature in which a substance can exist as a liquid is called its
    1.   Absolute temperature
    2.   Critical temperature
    3.   Maximum temperature
    4.   Body temperature
11. Ionic crystals are brittle because
    1.   they are bad conductors of electricity
    2.   coordination number of caons and anions is same
    3.   they have cubic geometry
    4.   cations and anions are arranged in alternate posions in layers
12. Equal masses of methane and oxygen are mixed in an empty container at 25°C The fraction of total pressure exerted by oxygen is
    
    1.   8/9
    2.   1/9
    3.   16/17
    4.   1/3
13. The molecules of CO2 is dry ice form the
    1.   any type of crystal
    2.   covalent crystals
    3.   ionic crystals
    4.   molecular crystals
14. If V = 5 liters, P = 2 atm, T = 273°C, T = 0°C and V = ? When P = 1 atm.
    1.   12.5 lit
    2.   5 lit
    3.   10 lit
    4.   2.5 lit
15. NH3 gas is liquefied more easily than N2 Hence
    1.   a(NH3 ) > a (N2 ) but b (NH3 ) < b(N2)
    2.   a(NH3 ) < a (N2) but b (NH3 ) > b (N2)
    3.   Van der Waals constants a and b of NH3 < N2
    4.   Van der Waals constants a and b of NH3 > N2
16. The reason that diamond and graphite have different physical properties is
    1.   density
    2.   bonding
    3.   hardness
    4.   color
17. Temperature at which molecular motion ceases is called
    1.   Absolute zero
    2.   Critical temperature
    3.   Absolute temperature
    4.   Difficult to predict
18. R = 0.08205
    1.   cal. mol-1 k -1
    2.   Nm mol-1 k -1
    3.   atm dm3 mol-1 k-1
    4.   J mole-1 k -1
19. The ideal gas law holds best under the conditions of
    1.   high pressure and high temperature
    2.   high pressure and low temperature
    3.   low pressure and low temperature
    4.   low pressure and high temperature
20. A term to express the partial pressure of water vapours in a gas is known as
    1.   partial pressure
    2.   aqueous tension
    3.   vapour pressure
    4.   moisture

About Set 1 MCQ series

This MCQ test ( States of matter ) is a part of Set 1 MCQ series by National mdcat prep (medical entry test). The tests have the following features

1. They are timed. You can improve your time management.
2. You can practice these tests online on mobile or desktop.
3. These practice tests are according to PMC syllabus.
4. These tests are free of cost.
5. You can see the answer on your screen.
6. This test series is aimed to provide you with ample mcqs to improve your preparation for mdcat.
7. The MCQs of this test [ states of matter ] have been taken from Textbooks of Chemistry of Punjab, federal, kpk and sindh. and are in accordance with nmdcat syllabus.

The best time to practice these tests is right after you read the chapter from your textbooks. Anyone can take the tests whether you are in fsc or a fresh student or maybe a repeater. There is no restriction.

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