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Physical and Chemical Changes Quiz Questions Online p. 31

Study Physical and chemical changes quiz questions and answers, physical and chemical changes MCQ questions with answers PDF to solve grade 7 science quiz 31 for online certification. Physical Changes MCQs, physical and chemical changes quiz questions and answers for online classes. "Physical and Chemical Changes Quiz" PDF Book: physical changes, making plastics, magnesium and oxygen, iron and sulphur test prep for online education.

"When the state of matter is changed from solid to liquid, we call it" Multiple Choice Questions (MCQ) on physical and chemical changes with choices freezing, melting, boiling, and condensing for online classes. Learn physical changes quiz questions for school certificate programs for virtual online school.

Physical and Chemical Changes Questions and Answers

MCQ: When the state of matter is changed from solid to liquid, we call it

melting
freezing
boiling
condensing

MCQ: The name of the inventor who invented plastic is

John Dalton
John Green
Albert Einstein
John Hyatt

MCQ: 'Plastics' are

nature made
self made
man made
ion-made

MCQ: The reaction of 'magnesium' with air is

exothermic reaction
endothermic reaction
reversible reaction
substitution reaction

MCQ: The color of solid sulphur is

green
brown
white
yellow

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