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Chemistry C2

Quiz by Bolade Ajimisogbe

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40 questions
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  • Q1
    The following are not true about Gay-Lussac’s law except…
    (c) The pressure was greater than the temperature.
    (a) All temperatures and pressure were kept constant.
    (b) The temperature was raised higher than the pressure.
    (d) Both temperature and pressure are not required
    60s
  • Q2
    “The volume of a gas increases as the pressure decreases and vice versa.” Which law satisfies this statement?
    (b) Boyle”s law
    (C) General gas equation
    (A) Charle’s law
    (d) Ideal gas law
    60s
  • Q3
    Convert 148 degree celsius to Kelvin.
    (a) -125K
    (d) -421K
    (b) 421K
    (c) 184K
    60s
  • Q4
    375cm(cube) of a gas has a pressure of 770mmHg.Find the volume if the pressure is reduced to 750mmHg. (all answers are in centimeter cube).
    (b) 375
    (c) 385
    (d) 750
    (a) 374
    60s
  • Q5
    …… is also known as coordinate covalent bonding.
    (c) Covalent bond.
    (b) Dative covalent combination
    (d) Ionic bond
    (a) Metallic bonding
    60s
  • Q6
    One of the following is not an assumption of the kinetic theory of gas.
    (c) The cohesive force between the gas molecules are not negligible.
    (b) The collisions of gas are perfectly elastic
    (d) The temperature of the gas is a measure of the average kinetic energy of the gas particles
    (a) The gas molecules move randomly in straight lines colliding with one another.
    60s
  • Q7
    The effect of temperature changes on the volume of a given mass at a constant pressure is described by who?
    (a) Boyle’s law
    (c) Dalton’s law.
    Avogadro's law
    (b) Charle’s law
    30s
  • Q8
    At 17(degree celsius), a sample of hydrogen gas occupies 125cm(cube). What will be the volume at 100(degree celsius), if the pressure remains constant? (all answers are in centimeter cube).
    (b) 290
    124
    (c) 373
    (A) 161
    60s
  • Q9
    The following are important qualities needed in experimental work involving calculations except….
    (d) Atomic number.
    (c) Temperature
    (a) Volume
    (b) Mass number
    30s
  • Q10
    Which law describes the combining volume of gasses that react together?
    ideal gas
    (c) Dalton's law
    (d) Gay-Lussac’s law
    (a) General gas law
    30s
  • Q11
    Convert 405K to degree celsius(Answers are in degree celsius).
    (b) 132
    A) 21
    (d) -132.
    (c) 678
    60s
  • Q12
    Calculate the relative molecular mass of CaCO3 (Ca=40, C=12, O=16)
    (d) 80g
    © 100g
    (a) 150g
    (b) 120g
    60s
  • Q13
    The mass number of Magnesium is
    (d) 24.5
    (a) 25
    (b) 24
    © 12
    30s
  • Q14
    The smallest particle of an element is known as
    © Ion
    (d) element
    (a) atom
    (b) molecule
    30s
  • Q15
    How many mole is found in 2HCl2
    (d) none
    (b) 2
    © 1
    (a) 4
    30s

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