Study the information given below:
1) Some substances are formed when two or more elements combined together chemically.
2) Properties of these substances are different from their respective constituents.
3) These substances cannot be broken down into their respective constituents by physical methods.
Which of the following substance has the properties listed above?
Sugar
The three given properties are those of compounds. Compounds are formed by the chemical combination of two or more elements. The constituents, as in elements that chemically combine to form a compound lose their individual characteristic properties. In the given options, sugar, (C6H12O6), is a compound which is formed by the chemical combination of C, H and O atoms.
Iodine (I), bromine (Br) and calcium (Ca) are pure elements as they are composed of a single type of atoms.