Chemistry Practice MCQ Page 20

Multiple Choice questions for Chemistry in the sets of 10 each on one page with questions and answers. All sets are useful in the preparation of subject tests for employment or admission.
Question: 1410   When elements of low ionization energy combine with elements of high electron affinity, the of bond formed is
  1. covalent
  2. ionic
  3. coordinate
  4. metallic
Question: 1411   A bond formed between alkali metals and members of helogen family will be
  1. covalent
  2. coordinate
  3. metallic
  4. ionic
Question: 1412   The amount of energy required to remove one electron from sodium isolated gaseous atom is
  1. 496 KJ/mol
  2. 596 KJ/mol
  3. 696 KJ/mol
  4. 296 KJ/mol
Question: 1413   The amount of energy released when one electron is gained by isolated gaseous atom of chlorine is
  1. 249 KJ/mol
  2. 449 KJ/mol
  3. 349 KJ/mol
  4. 549 KJ/mol
Question: 1414   When heat is absorbed or evolved in a chemical reaction with molar quantities of reactants and products, it is called
  1. heat of reactant
  2. heat of product
  3. heat of reaction
  4. heat change
Question: 1415   A negative sign is given if heat is
  1. evolved
  2. absorbed
  3. generated
  4. consumed
Question: 1416   A positive sign is given if in a chemical reaction heat is
  1. evolved
  2. absorbed
  3. generated
  4. consumed
Question: 1417   The branch of chemistry that deals with energy transformations in a chemical process is called
  1. thermo chemistry
  2. electrolysis
  3. chemcial equilibrium
  4. thermo dynamics
Question: 1418   A substance under going a physical or chemical change is a
  1. process
  2. system
  3. unit
  4. body
Question: 1419   The active masses of the reacting species are related to rate of reaction
  1. indirectly
  2. log-normally
  3. directly
  4. linearly
Question: 1420   The concentrations of reactants and product at equilibrium changes
  1. rapidly
  2. very slowly
  3. sharply
  4. drastically
Question: 2868   When paper burns, the chemical reaction is between:
  1. carbon and water
  2. water and carbon
  3. carbon and oxygen
  4. water and carbon

Answers to the questions of Chemistry on this page

Following list gives the correct choice for the answer of the Chemistry mcqs.
1410 . B       1411 . D       1412 . A       1413 . C       1414 . C       1415 . A       1416 . B       1417 . D       1418 . B       1419 . C       1420 . B       2868 . C      

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