Endothermic Reactions Quiz Questions and Answers 149 PDF Book Download

Endothermic reactions quiz, endothermic reactions MCQs with answers, O level chemistry test prep 149 to learn O level chemistry courses for online degrees. Energy from chemicals quiz questions and answers, endothermic reactions multiple choice questions (MCQs) to practice chemistry test with answers for online colleges and universities courses. Learn endothermic reactions MCQs, chemical symbols, electrolyte and non electrolyte, endothermic reactions test prep for chemistry certifications.

Learn endothermic reactions test with multiple choice question (MCQs): endothermic reactions take place when, with choices energy given out in making bonds is less than the energy taken in for breaking bonds, energy given out in making bonds is more than the energy taken in for breaking bonds, energy given out in making bonds is equal to the energy taken in for breaking bonds, and none of these for undergraduate degree. Learn energy from chemicals questions and answers for problem-solving, merit scholarships assessment test.

Quiz on Endothermic Reactions Worksheet 149Quiz Book Download

Endothermic Reactions Quiz

MCQ: Endothermic reactions take place when

  1. energy given out in making bonds is less than the energy taken in for breaking bonds
  2. energy given out in making bonds is more than the energy taken in for breaking bonds
  3. energy given out in making bonds is equal to the energy taken in for breaking bonds
  4. none of these

A

Electrolyte and Non Electrolyte Quiz

MCQ: Paraffin is an example of

  1. strong electrolyte
  2. non-electrolyte
  3. weak electrolyte
  4. catalyst

B

Chemical Symbols Quiz

MCQ: Chemical formula of aluminum nitrate is

  1. AlNi3
  2. Al3Ni2
  3. Al(NO2)3
  4. Al(NO3)3

D

Electrolyte and Non Electrolyte Quiz

MCQ: In electrolysis of aqueous solutions of dilute acids or dilute alkalis, amount of hydrogen given off is

  1. roughly half of the oxygen given off at the anode
  2. roughly the same as of oxygen given off at anode
  3. is roughly twice the oxygen given off at anode
  4. is roughly twice the oxygen given off at cathode

C

Mixtures and Compounds Quiz

MCQ: Mass of an element in a compound can be calculated through

  1. Ar of the atoms/Mr of the compound
  2. Mr of the atoms/Ar of the compound
  3. (Ar of the atoms/Mr of the compound) × mass of sample
  4. (Ar of the atoms/Mr of the compound) × mass of sample

C