Grade 7 Courses

Grade 7 Science MCQs

Grade 7 Science MCQ PDF - Chapter

Physical and Chemical Changes Interview Questions with Answers PDF p. 4

Solve Physical and chemical changes worksheets with answers, physical and chemical changes trivia questions with answers PDF to practice grade 7 science worksheet 4 for online learning. Practice Making Plastics MCQs, physical and chemical changes quiz questions and answers for online education. Physical and Chemical Changes MCQ PDF: making plastics, polyethene, making ammonia, reversible reaction, physical changes test prep for online elementary school.

"The chemist who started plastic industry was an" Multiple Choice Questions (MCQ) on physical and chemical changes with choices indian, chinese, american, and british for online education. Solve making plastics quiz questions for school certificate programs for online education programs.

MCQs on Physical and Chemical Changes Quiz

MCQ: The chemist who started plastic industry was an

Chinese
Indian
American
British

MCQ: Ethene is obtained from

light oil
coconut oil
olive oil
sunflower oil

MCQ: Two major requirements for preparation of ammonia are

low temperature and high pressure
low temperature and pressure
high temperature and low pressure
high temperature and pressure

MCQ: The melting point of ice is

0 °C
1 °C
100 °C
50 °C

MCQ: When heat is provided to particles of solids, they gain

heat energy
potential energy
kinetic energy
thermal energy