Question

identify the correct one from the following statement (a) elements can be changed into simpler substance (B) compound has variable composition (C) the mixture has properties similar to its component

Answer 1

(C)✓ A Mixture has properties similar to it's components.

• This is because in a mixture, the constituent particles are not mixed chemically.
• They are mixed physically and can be separated fairly easily by physical Methods.
• Thus they show the properties of components.
• Example can be alloys.

Why we didn't selected (A) and (B)? Are they Lucky?

No!

• (A) Elements can not be further changed into simpler substances. As per chemistry, they are the basic things which make matter.

• (B) A Compound is a pure substance. That means it has constituent particles having same chemical properties. Also, as per the Law of Constant Proportions (or simply, Law of Definite Proportions), a compound is made up of atoms of elements which are found in definite quantities. Thus, composition is uniform.