Class 7 Online Courses

Grade 7 Science MCQs

Grade 7 Science MCQ PDF - Chapters

Physical and Chemical Changes Multiple Choice Questions (MCQ) PDF Download - 21

Learn Physical and chemical changes Multiple Choice Questions and Answers (MCQs), physical and chemical changes quiz answers PDF to study grade 7 science course test 21 for online courses. Iron and Sulphur MCQs, physical and chemical changes quiz questions and answers for online certifications. Physical and Chemical Changes Book PDF: iron and sulphur, physical changes, making ammonia, making plastics test prep for online elementary school.

"The color of solid iron is" Multiple Choice Questions (MCQ Quiz): physical and chemical changes App APK with brown, green, grey, and black choices for online certifications. Practice iron and sulphur quiz questions for school certificate programs for online school courses.

MCQs on Physical and Chemical Changes Quiz

MCQ: The color of solid iron is


MCQ: Alteration of material without changing its chemical make-up is known as

physical change
chemical variation
biological change
chemical change

MCQ: The exothermic reaction of two elements, iron and sulfur, form the compound,

iron only
sulphur only
iron and sulphur both
iron sulfide

MCQ: 'Ammonia' is an important component of


MCQ: The name of the chemist who started plastic industry, is

George Conner
Alex Martin
Leo Baekeland
Robin Norman

Download Free Apps

7th Grade Science App

ALL-in-ONE Courses App Download

7th Grade Science App

7th Grade Science App Download

Earth Science App

Earth Science App Download

6th Grade Science App

6th Grade Science App Download