Grade 7 Science MCQs
Grade 7 Science MCQ PDF - Chapters
Learn Physical and chemical changes multiple choice questions and answers, physical and chemical changes quiz answers PDF to learn grade 7 science test 21 for online courses. Iron and Sulphur MCQs, physical and chemical changes quiz questions and answers for online certifications. "Physical and Chemical Changes MCQ" PDF Book: 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) on physical and chemical changes with choices brown, green, grey, and black for online certifications. Practice iron and sulphur quiz questions for school certificate programs for online school courses.
MCQ: The color of solid iron is
MCQ: Alteration of material without changing its chemical make-up is known as
MCQ: The exothermic reaction of two elements, iron and sulfur, form the compound,
MCQ: 'Ammonia' is an important component of
MCQ: The name of the chemist who started plastic industry, is