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Materials Conservations Quizzes Online MCQs PDF Download eBook - 266

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Materials Conservations Questions and Answers PDF Download eBook

Materials Conservations Quiz

MCQ: There is saving of 95% energy in recycling rather than extracting of material

  1. copper
  2. aluminum
  3. iron
  4. glass

B

Nitrogen and Its Compounds Quiz

MCQ: What is true about nitrogen oxides?

  1. they are fertilizers
  2. they are pollutants
  3. they used as catalysts in many industrial processes
  4. none of above

B

Electrolysis Technique Quiz

MCQ: Na3AlF6 that melts at 1000 °C is known as

  1. cryolite
  2. bauxite
  3. brine
  4. sludge

A

Oxides of Period 3 Elements Quiz

MCQ: Consider the equation: Mg(OH)2(s) + HCl → MgCl2. The other by product is

  1. HO3+
  2. OH-
  3. H2O (l)
  4. H2(g)

C

Structural Isomerism Quiz

MCQ: If the position of functional group varies in each of its isomer then its is

  1. position isomerism
  2. functional group isomerism
  3. chain isomerism
  4. none of above

A