Practice test

States of matter and its structure - Test Set 1

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    RRB NTPC 2016
    Who is known as the father of modern chemistry?
    1. Ernest Rutherford
    2. Otto Hohn
    3. Mendeleev’s
    4. Antoine Lavoisier
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  2. Question 2

    CDS 2017
    The maximum number of states to be found in matter are
    1. three
    2. four
    3. five
    4. variable
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  3. Question 3

    CDS 2019
    Bose-Einstein condensate is a
    1. solid state of matter
    2. fifth state of matter
    3. plasma
    4. state of condensed matter
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  4. Question 4

    SSC CGL 2019
    Which one of the following statements is incorrect?
    1. The measurable unit of pressure is denoted in metre.
    2. Matter is made up of small particles.
    3. Evaporation causes cooling.
    4. Brass is a mixture of 30% zinc and 70% copper
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  5. Question 5

    CDS 2019
    Consider the following statements about mixture?
    I. A substance can be separated into other kinds of matter by any physical process.
    II. Dissolved sodium chloride can be separated from water by the physical process of evaporation.
    Which of the statements given above is/are correct?
    1. Only I
    2. Only II
    3. Both I and II
    4. Neither I nor II
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  6. Question 6

    RRB NTPC 2017
    Which of the following is not the property of mixture in the context of science?
    1. Its structure is constant.
    2. It is formed by two or more elements or compounds.
    3. It can be separated by the physical processes.
    4. The components of a mixture maintain their properties.
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  7. Question 7

    SSC CGL 2019
    ……are homogeneous mixtures of two or more components.
    1. Amalgams
    2. Emulsions
    3. Solutions
    4. Suspensions
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  8. Question 8

    Asst. Comm. 2018
    Which one of the following gemstones contains beryllium metal?
    1. Topaz
    2. Emerald
    3. Ruby
    4. Blue sapphire
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  9. Question 9

    NDA/NA 2018
    Which one of the following is called dry ice?
    1. Solid carbon dioxide
    2. Liquid carbon dioxide
    3. Liquid nitrogen
    4. Liquid ammonia
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  10. Question 10

    Asst. Comm. 2019
    Quartz is extensively used as a piezo-electric material. It contains
    1. Hg
    2. Si
    3. Ti
    4. Sn
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  11. Question 11

    SSC Multitasking 2013
    A molecule of a substance is similar to its atom for
    1. diatomic molecule
    2. polyatomic molecule
    3. monoatomic molecule
    4. triatomic molecule
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  12. Question 12

    CDS 2012
    Which one among the following statements about an atom is not correct?
    1. Atoms are always combine to form molecule.
    2. Atoms are the basic units from which molecules and ions are formed.
    3. Atoms are always neutral in nature.
    4. Atoms aggregate in large numbers to form the matter that we can see, feel and touch
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  13. Question 13

    SSC Multitasking 2013
    Glass is
    1. supercooled liquid
    2. crystalline solid
    3. liquid crystal
    4. None of the above
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  14. Question 14

    SSC CGL 2019
    Which of the following is used to remove the green colour from glass?
    1. Silicon dioxide
    2. Titanium dioxide
    3. Sulphur dioxide
    4. Manganese dioxide
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  15. Question 15

    NDA/NA 2013
    Statement I: Glass is not considered as a true compound.
    Statement II: Glass does not have a definite melting point.
    1. Both the Statements are individually true and Statement II is the correct explanation of Statement I.
    2. Both the Statements are individually true but Statement II is not the correct explanation of Statement I.
    3. Statement I is true, but Statement II is false.
    4. Statement I is false, but Statement II is true.
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  16. Question 16

    NDA/NA 2019
    The temperature of a place on one sunny day is 113 in Fahrenheit scale. The Kelvin scale reading of this temperature will be
    1. 318 K
    2. 45 K
    3. 62.8 K
    4. 335.8 K
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  17. Question 17

    CDS 2018
    Which one of the following is the correct relation between the Kelvin temperature (T) and the Celsius temperature (t_c)?
    1. There are two independent temperature scales
    2. T = t_c
    3. T = t_c - 273.15
    4. T = t_c + 273.15
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  18. Question 18

    NDA/NA 2017
    Water boils at a lower temperature at high altitudes, because
    1. the air pressure is less
    2. outside temperature is less
    3. latent heat is less
    4. None of the above
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  19. Question 19

    SSC CGL 2019
    Which of the following has the lowest melting point?
    1. Lead
    2. Zinc
    3. Silver
    4. Tin
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  20. Question 20

    NDA/NA 2019
    Which one of the following could be the melting point of iron?
    1. 25°C
    2. 37°C
    3. 500°C
    4. 1500°C
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