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Question

Consider the following reactions.
(a) ‘X’(s) + H2O(l) Slaked lime (aq)
(b) ‘Y’(s) Δ ‘X’(s) + ‘Z’(g)
(c) Slaked lime (aq) + ‘Z’(g) ‘Y’(s) + ‘W’(l)
Now, choose the correct option(s).
निम्नलिखित अभिक्रियाओं पर विचार कीजिए।
(a) ‘X’(s) + H2O(l) बुझा हुआ चूना (aq)
(b) ‘Y’(s) Δ ‘X’(s) + ‘Z’(g)
(c) बुझा हुआ चूना (aq) + ‘Z’(g) ‘Y’(s) + ‘W’(l)
अब, सही विकल्प/विकल्पों का चयन कीजिए।

A
‘X’ is quicklime and ‘Z’ is released during photosynthesis
‘X’ बिना बुझा हुआ चूना है तथा ‘Z’ प्रकाश-संश्लेषण के दौरान मुक्त होती है
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B
‘W’ is water and it is one of the products of respiration as well as neutralisation reaction
‘W’ जल है तथा यह श्वसन तथा उदासीनीकरण अभिक्रिया का एक उत्पाद है
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C
Reaction (a) is an exothermic reaction and ‘X’ is calcium hydroxide
अभिक्रिया (a) एक ऊष्माक्षेपी अभिक्रिया है तथा ‘X’ कैल्सियम हाइड्रॉक्साइड है
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D
Reaction (b) is an endothermic as well as decomposition reaction
अभिक्रिया (b) ऊष्माशोषी तथा अपघटन अभिक्रिया दोनों है
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Solution

The correct option is D Reaction (b) is an endothermic as well as decomposition reaction
अभिक्रिया (b) ऊष्माशोषी तथा अपघटन अभिक्रिया दोनों है
Solution

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