FREE SCIENCE AND STUDY GAMES ABOUT CHEMICAL

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FREE SCIENCE AND STUDY GAMES ABOUT CHEMICAL

CHANGES EXAM QUESTIONS

Qs and Ans Expert- Explanation

This Exam contains:

-Guarantee passing score -9 Questions and Answers -format set of multiple-choice -Expert- Explanation

Question 1: F.A.R.T.S.

Answer:

acronym to remember the signs of a possible chemical change

Question 2: S.

Answer:

Solid; also called precipitate

Question 3: A.

Answer:

aroma - odor will change noticeably

Question 4: R.

Answer:

Rust - to remind you the color might change unexpectedly

Question 5: physical change

Answer:

substance keep its identity

Question 6: F.

Answer:

formation of a gas; bubbling or fizzing

Question 7: chemical change

Answer:

creates a new substance with new properties

Question 8: precipitate

Answer:

a solid that forms when two liquids chemically react; it falls out of the solution

Question 9: T.

Answer:

The Energy; light energy might be released or the temperature may go up or down due to heat energy changes