Grade 10 Chemistry Worksheets MCQ Questions Online PDF Download

Grade 10 chemistry worksheets MCQs, grade 10 chemistry worksheets quiz answers pdf to study high school chemistry for online certificate courses. Learn chemical industries Multiple Choice Questions and Answers (MCQs), "grade 10 chemistry worksheets" quiz questions and answers for online certifications. Learn metallurgical operations, petroleum, urea and composition, grade 10 chemistry worksheets test prep for online high school.

"Process in which metal ions are reduced to free metals is called" Multiple Choice Questions (MCQ) on relative atomic mass and mass unit with choices roasting, smelting, bessemerization, and concentration for online certifications. Free chemistry student portal for online learning chemical industries quiz questions for online school courses.

MCQs on Grade 10 Chemistry Worksheets PDF Download

MCQ: Process in which metal ions are reduced to free metals is called

  1. roasting
  2. smelting
  3. Bessemerization
  4. concentration


MCQ: Which of the following has the lowest percentage in the air?

  1. krypton
  2. argon
  3. hydrogen
  4. helium


MCQ: Which of the following is a pentahydroxy ketone?

  1. glucose
  2. fructose
  3. sucrose
  4. starch


MCQ: Which of the following is the most abundant class of organic compounds?

  1. carbohydrates
  2. proteins
  3. vitamins
  4. lipids


MCQ: Water is an example of

  1. acid
  2. base
  3. amphoteric substance
  4. salt