Question

Which type of property can be observed only by changing a substance into a different substance? A. intensive property B. extensive property C. physical property D. chemical property

Answer 1

Answer: D. chemical property

Explanation:

Chemical property is defined as the property of a substance which is observed during a reaction where the chemical composition or identity of the substance gets changed due to formation of new substance. For example: toxicity

Physical property is defined as the property which can be measured and whose value describes the state of physical system. For Example: melting point

Extensive property is the property which depends on the amount of substance present. Example: Volume

Intensive property is the property which do not depend on the amount of substance present. Example: Density

Answer 2

The answer would be D because a chemical property is Burning is a chemical property and a chemical property is any of material's properties that becomes evident during or after a chemical reaction that is any quality that can be established only by changing a substance's chemical identity.

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