Combining Elements MCQs Quiz Worksheet PDF Download

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MCQ on Combining Elements Quiz PDF Download

MCQ: Other than symbols, chemical formulas also contain

  1. instant number
  2. cellular number
  3. oxidation number
  4. atom number


MCQ: Chemical formula for water is

  1. NaCl
  2. Cl
  3. O2
  4. H2O


MCQ: Water contains two hydrogen atoms and one

  1. oxygen atom
  2. carbon atom
  3. nitrogen atom
  4. neon atom


MCQ: Chemical formula of sodium chloride is

  1. C12H22O11
  2. NaCl
  3. C2H3O2
  4. NaHCO3


MCQ: Chemical formula contains symbols of elements present in the

  1. compound
  2. mixture
  3. solution
  4. molecule