Question

A student is using a copper strip and a strong chlorine solution in her experiment. Which of these is a chemical property of one of her materials? density of the copper strip, reactivity of the copper strip, odor of the chlorine solution, color of the chlorine solution

Answer 1

HERE IS YOUR ANSWER

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THE REACTIVITY OF COPPER STRIP is the CHEMICAL PROPERTY.

The remaining are basically the PHYSICAL PROPERTIES.

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THANK YOU

Answer 2

Answer: Option (b) is the correct answer.

Explanation:

A chemical property is the property which occurs when there is a change in chemical composition of substance.

For example, burning of paper is a chemical change as the composition of paper changes into ashes.

Reactivity determines how actively or quickly a substance will react with another substance to form a new compound. Hence, the chemical composition of this new compound will be different from its reactant molecules.

Thus, we can say that toxicity, reactivity etc are all chemical property.

Whereas physical property is a property which can be observed without any change in chemical composition of a substance. For example, density, color, odor etc are all physical property of a substance.

Therefore, we can conclude that out of the given options reactivity of the copper strip is a chemical property of one of her materials.