Page 1 - Home Assignment-2. Practice Worksheet

SAI International School
Subject-Chemistry

Ch-Is matter around us pure?
Topic Homogeneous and heterogeneous mixtures, Solutions and
their properties, Types of solutions on the basis of their state, particle

size
Practice Worksheet
MCQs
Q.1 Alloys are considered as solid solutions because they are:
a) Heterogeneous c) homogeneous
b) pure substances d) have a constant composition.
Q.2 In tincture of iodine the iodine is the solute because:
a) it is present in a larger quantity
b) it is present in a smaller quantity
c) it does not dissolve
d) all of the above
Q.3 An unsaturated solution can be prepared by:
a) adding excess solute to a given volume of solvent
b) adding more solvent to the saturated solution
c) increasing the temperature of a saturated solution
d) all of the above.

DIRECTION:Each of these questions contains an Assertion followed by Reason.
Read them carefully and answer the question on the basis of following options.
You have to select the one that best describes the two statements.
(a) If both Assertion and Reason are correct and Reason is the correct
explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct
explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct.
(e) If Assertion & Reason both are incorrect.