Category : 7th Grade

Physical And Chemical Change Trivia Quiz For 7th Grade Students

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Lots of changes take place in substances and some changes are physical and some are chemical. A change in a substance in which the chemical properties of the substance remain the same but the physical properties of the substance change, such change in the substance is called a physical change. When a substance combines with another substance to form a new substance or when a substance is decomposed into two or more substances, its properties and characteristics change, it is called a chemical change. So take this quiz and know more about a physical and chemical change of substance.

Let’s start the quiz

1. Which of the following is a physical change?

123304 Rusting of iron
123305 Combustion of magnesium ribbon
123306 Burning of candle
123307 Melting of wax

2. Which of the following is a chemical change?

123308 Melting of wax
123309 Melting of ice
123310 Water freezes
123311 Bread is baked

3. Physical changes are ...

123312 Reversible
123313 Irreversible
123314 Permanent
123315 Temporary

4. Which of the following represents chemical change?

123316 Combustion of fule
123317 Rust in iron
123318 Both of these
123319 None of these

5. Which of the following is not a chemical change?

123320 Photosynthesis
123321 Burning of wood
123322 Melting of ice
123323 Burning of leaves

6. Which acid are found in vinegar?

123324 Lactic acid
123325 Citric acid
123326 Methanoic acid
123327 Acetic acid

7. Which of the following change can be easily be reversed?

123328 Chemical Change
123329 Physical Change
123330 Both a physical and chemical change
123331 Neither a physical or chemical change

8. What remains the same during chemical and physical changes?

123332 Density
123333 Shape
123334 Mass
123335 Arrangement of particle

9. Which of the following is an example of a physical change?

123336 Paper burning
123337 Water boiling
123338 Metal rusting
123339 Silver tarnishing
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