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Free "Magnesium and Oxygen" App Download [Free] with MCQ: Color of solid magnesium is; with answers: dark grey, silver grey, black, and whitish silver to study online certificate courses. Solve Physical and Chemical Changes Quiz Questions, download Google e-Book (Free Chapter) for distance learning.

Magnesium and Oxygen MCQs PDF Download – Prep Test

MCQ 1: The color of solid magnesium is:

  1. dark grey
  2. silver grey
  3. black
  4. whitish silver

MCQ 2: What are the chemicals used in fireworks?

  1. copper chloride
  2. calcium chloride
  3. barium chloride
  4. all of above

MCQ 3: The color of magnesium oxide is:

  1. white
  2. blue
  3. grey
  4. pink

MCQ 4: If magnesium is gently heated, it forms:

  1. magnesium oxide
  2. magnesium sulfide
  3. magnesium nitrite
  4. magnesium carbonate

MCQ 5: The reaction of 'magnesium' with air is:

  1. exothermic reaction
  2. endothermic reaction
  3. reversible reaction
  4. substitution reaction

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