Chemistry MCQs Online Quiz Test 5

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NTS Chemistry Entry Test MCQs With Answers

Q.1: Isotopes differs in———–?

  1. arrangement of electrons in orbitals
  2. position in the periodic table
  3. properties depend upon mass
  4. chemical properties

D

Q.2: The volume occupied by 1.4g CO at S.T.P is———-?

  1. 22.4 dm3
  2. 2.24 dm3
  3. 1.12 cm3
  4. 1.12 dm3

D

Q.3: Which of the following set has all species isoelectronic———?

  1. F – Cl – Br
  2. Li+1 – Na+1 – K+1
  3. F – Ne – Na+
  4. H+ – H- – H

C

Q.4: Water absorber used in combustion analysis is———-?

  1. 50% KOH
  2. Lime water
  3. CaCl2
  4. Mg (CIO4)2

D

Q.5: The type of filtering media used for filtration depending upon———-?

  1. Nature of reactants
  2. Nature of crucible
  3. Nature of product
  4. Nature of precipitate

D

Q.6: A method of separation of components from its solution using Distribution law is ———-?

  1. Sublimation
  2. Crystallisation
  3. Solvent extraction
  4. Distillation

C

Q.7: Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is———-?

  1. one / seventeen
  2. sixteen / seventeen
  3. one / three
  4. two / three

C

Q.8: The molecules of CO2 in dry ice form———?

  1. Ionic crystal
  2. Covalent crystal
  3. Molecular crystal
  4. Any type of crystal

C

Q.9: Only London dispersion forces are present among the———?

  1. Molecules of water in liquid state
  2. Atoms of helium in gaseous state at high temperature
  3. Molecules of hydrogen chloride gas
  4. Molecules of solid iodine

D

Q.10: Quantum number values for 3p orbitals are———-?

  1. n=3 l=2
  2. n=3 l=0
  3. n=3 l=1
  4. n=3 l=3

C