Valency and Chemical Formula MCQs Quiz Online PDF Download

Learn valency and chemical formula MCQs, O level chemistry test for online courses learning and test prep to practice. Chemical formulae and equations quiz has multiple choice questions (MCQ), valency and chemical formula quiz questions and answers to learn for online science course test.

IGCSE chemistry practice test MCQ on chemical formula of zinc hydroxide is with options zn(oh)2, zno2, zn2(oh)3 and znoh problem solving skills for viva, competitive exam prep, interview questions with answer key. Free study guide is for online learning valency and chemical formula quiz with MCQs to practice test questions with answers.

MCQs on Valency and Chemical Formula Quiz PDF Download

MCQ. Chemical formula of Zinc Hydroxide is

  1. Zn(OH)2
  2. ZNO2
  3. Zn2(OH)3
  4. ZnOH


MCQ. Empirical formula is the

  1. simplest formula
  2. molecular formula
  3. chemical formula
  4. ionic exponential formula


MCQ. All of these radicals have a valency of 2, except

  1. SO4
  2. CO3
  3. NH4
  4. MgCO3


MCQ. In CuO (Copper Oxide), valency of Copper is

  1. +1
  2. +2
  3. −1
  4. −2


MCQ. Formula of Ammonium Sulfate ((NH4)2SO4) is

  1. NH4(SO4)2
  2. NH4(HSO4)2
  3. (NH4)2SO4
  4. (NH3)2SO3