Page 1 - HOME ASSIGNMENT-1(OBJECTIVE & SUBJECTIVE QUESTIONS)

SAI International School
Class-X

Subject_ Chemistry
Topic- Acids, Bases & Salts
Sub Topic- Study of Salts – 2. Bleaching Powder

HOME ASSIGNMENT
OBJECTIVE:
MCQs
Q.1
Bleaching powder is soluble in cold water giving a milky solution due to-
(a) available chlorine
(b) lime present in it
(c) calcium carbonate formation
(d) The absorption of carbon dioxide from atmosphere
Q.2 Bleaching powder gives smell of chlorine because it-
(a) is unstable
(b) gives chlorine on exposure to atmosphere
(c) is a mixture of chlorine and slaked lime
(d) contains excess of chlorine
Q.3 An aqueous solution turns red litmus solution blue.Excess addition of which
of the following solution would reverse the change?
(a) Baking powder
(b) Lime
(c) Ammonium hydroxide solution
(d) Hydrochloric acid
➢ For Assertion& Reason question follow the following directions.

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.4 Assertion : In water, Hydrochloric acid behaves as a weak monobasic acid.
Reason : In water, Hydrochloric acid acts as a proton donor.

Q.5
Assertion : During electrolysis of concentrated aqueous solution of sodium
chloride, hydrogen is produced at anode and chlorine gas is produced at
cathode.
Reason : Ions get attracted to oppositely charged electrodes.

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