GENERAL KNOWLEDGE

GK

CHEMISTRY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

What property of matter is present in the scenario, “Rocks containing carbonates can be identified because they fizz when hydrochloric acid is applied.”?

A	Physical Property
B	Chemical Property
C	Either A or B
D	None of the above

Explanation:

Detailed explanation-1: -The Acid Test on Rocks. Some rocks contain carbonate minerals, and the acid test can be used to help identify them. Limestone is composed almost entirely of calcite and will produce a vigorous fizz with a drop of hydrochloric acid.

Detailed explanation-2: -Chemical properties are very useful in identifying substances. However, unlike physical properties, chemical properties can only be observed as the substance is in the process of being changed into a different substance.

Detailed explanation-3: -The properties of density, specific heat, boiling point, and melting point are constant for substances. These properties can be used to identify unknown substances in a mixture.

Detailed explanation-4: -Physical properties are characteristics that scientists can measure without changing the composition of the sample under study, such as mass, color, and volume (the amount of space occupied by a sample).

There is 1 question to complete.