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(a) Plot of [N2O5] vs. time.
(b) Time taken for the concentration of N2O5 to change from 1.63 x 10–2 mol L–1 to half the value.t0.5 = 1420 s [from the
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We have, 5x2 – 8x – 4= 5x2 – 10x + 2x – 4= 5x (x–2) + 2 (x – 2)= (5x + 2) (x – 2)So, the value of 5x2 – 8x – 4 is zero when 5x + 2 = 0 or
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Find CBSE, ICSE State Boards Textbook Solutions of Class 8 to 12 of all subjects. Read NCERT Textbooks Questions and Answers & Find Previous year solved papers.
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CBSE NCERT Solutions Class 8 Science. Free online Science NCERT Textbooks Questions and Answers. Students can find Science 2018-19 syllabus, marking scheme, solved sample papers and previous year papers
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‘सविनय अवज्ञा’ का उपयोग व्यंग्यकार ने बस के द्वारा दर्शाया है। लेखक जब जीर्ण-शीर्ण बस में बैठ जाता है तो बस के चलने पर उसे उसका एक भी हिस्सा सही नहीं प्रतीत होता, लेकिन थोड़ी देर के बाद बस इस प्रकार चलने लगती है जैसे सभी भाग मिलकर धीरे- धीरे एक हो गए हों। लेखक की यह बिल्कुल गाँधीजी के अंग्रेजीं के खिलाफ किए गए ‘सविनय अवज्ञा आंदोलन’ की भाँति दिखाई देती है। जिसमें अंग्रेजों द्वारा भारत में नमक पर टैक्स लगाने पर गाँधीजी तिलमिला उठे थे क्योंकि वे जानते थे कि भारत की जनता तो नमक के साथ भी खाना खा लेती है। ऐसे में नमक पर टैक्स क्यों? उन्होंने इसके विरोध में सविनय अवज्ञा आंदोलन की शुरुआत की। उस समय द

The Maharaja of Pratibandapuram was a brave, resolute, determined, courageous and a firm ruler of his state. When he was born, the astrologers had predicted his death with a tiger. But the baby had something miraculous quality in him. He was only of ten days, he challenged the prediction of the astrologers and asked them the manner of the death. They told that he was destined to be killed by a tiger some day.

The Crown Prince was brought up in English environment. He grew up a tall, sturdy, brave and strong man. He become the king of his state at the age of twenty. He was determined to ful

The poet’s parting words signify to her mother some sort of hope. These express some promise and expectation of seeing her mother again. On her return she mi
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रबड़ का संबंध किस प्रकार clicking on this link
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A tournament where a team once defeated automatically gets eliminated from the tournament and only the winning team continues. The defeated team is not given a
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Given 80 min = 4 half-lives of A = 2 half-lives of B.Let the initial number of nuclei in each sample be N.For radioactive element A,NA after 80 min = N/24⇒ N
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AC. Generator: It is a device which converts mechanical energy into alternating form of electrical energy.Principle: It works on the principle of electromagnet
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