Chemistry Practice MCQ Page 11

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: 1248   The SI unit of energy is
  1. caloric
  2. newton
  3. joule
  4. watt
Question: 1249   When a force of one Newton acts over a distance of one metre, it is
  1. one joule
  2. one calorie
  3. one watt
  4. one pound
Question: 1250   In chemistry we usually deal with energy changes of reaction in terms of
  1. light
  2. heat
  3. electricity
  4. current
Question: 1251   The energy changes of a chemical reaction are measured in
  1. kil0 joules (KJ)
  2. kilo calorie (Kcal)
  3. both of them
  4. none of them
Question: 1252   One calorie is equal to
  1. 1.065 J
  2. 0.418 J
  3. 2.013 J
  4. 4.184 J
Question: 1253   Other units fro the measurement of heat energy are
  1. caloric
  2. kilowatt hours (kWh)
  3. British thermal unit (BTU)
  4. all of them
Question: 1254   The natural cause of a chemical reaction is the tendency to attain
  1. highest energy state
  2. perfection
  3. lowest energy state
  4. stability
Question: 1255   Every physical system has the tendency to attain lowest energy state is the basis of
  1. chemical kinetic
  2. thermo dynamics
  3. equilibrium
  4. second law of thermodynamic
Question: 1256   All chemical reaction which proceed spontaneously are accompanied by the energy
  1. gain
  2. loss
  3. addition
  4. multiplication
Question: 1257   Under certain conditions, energy may appear int he form of light, electricity or mechanical work from a
  1. system
  2. chemical system
  3. reaction
  4. reactant
Question: 1258   The using of fuels is the basis that burning of carbon in oxygen produces
  1. heat
  2. energy
  3. light
  4. electricity
Question: 1259   The burning of methane in oxygen is used in
  1. flames
  2. automobiles
  3. kitchens
  4. engines

Answers to the questions of Chemistry on this page

Following list gives the correct choice for the answer of the Chemistry mcqs.
1248 . C       1249 . A       1250 . B       1251 . C       1252 . D       1253 . D       1254 . C       1255 . D       1256 . B       1257 . B       1258 . A       1259 . C      

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