Page 1 - 4.Home Assignment_Homogeneous, Heterogeneous mixtures ,Solutions and their properties

SAI International School

Subject-Chemistry
Ch-Is Matter around us pure?
Topic- Homogeneous and heterogeneous mixtures, Solutions and their

properties
HOME ASSIGNMENT

OBJECTIVE QUESTIONS

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.

Q.1 Assertion: Fizzy drinks are homogeneous mixtures.
Reason: Mixtures are composed of two or more components mixed in any proportion.
Q.2 Assertion: Alloys cannot be considered as solutions.
Reason: Solutions are always transparent.
Q.3 Assertion: Sugar solution is a true solution.
Reason: The particle size in true solutions is >1 nm.
Q.4 Assertion: In tincture of iodine iodine is the solvent.
Reason: Tincture of iodine is a homogeneous mixture.
Q.5 Assertion: True solutions are always stable.
Reason: In true solutions the particles do not settle at the bottom.
Q6. Which of the following statements about true sugar are incorrect?
a) It is a mixture.
b) It is homogeneous.
c) It is a pure substance.
d) It is stable.
Q.7 Which of the following is not a true solution?
a) Air
b) copper sulphate solution.
c) mixture of ink and water.
d) coca cola.
Q.8 Solutions are considered as mixtures because:
a) they can be separated their components by physical methods.
b) they can be homogeneous or heterogeneous.
c) the components are visible.
d) they have fixed boiling points.