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Ask QuestionPosted by Gautam Singh Rajvanshi 1 year, 9 months ago
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Preeti Dabral 1 year, 10 months ago
A salt bridge is a laboratory device which maintains electrical neutrality within the internal circuit, connecting the oxidation and reduction half cells of a galvanic cell (voltaic cell). It consists of a U-shaped glass tube filled with agar-agar containing inert electrolyte like KCl or KNO3 which does not react with electrolyte-solutions present in half-cells.
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Phoolbabu Roy 1 year, 9 months ago
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Suraj Kumar 1 year, 8 months ago
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Posted by Nitish Kumar 1 year, 10 months ago
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Preeti Dabral 1 year, 10 months ago
An alpha ray is a stream of alpha particles. An alpha particle consists of two protons and two neutrons bound together into a particle identical to a helium nucleus. It is radioactive and is produced in the process of alpha decay. Alpha particles, like helium nuclei, have a net spin of zero.
Posted by Raushan Kumar 1 year, 10 months ago
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Posted by Salman Khan 1 year, 10 months ago
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Preeti Dabral 1 year, 10 months ago
यह 'एजेंडा 21' (1992) के बारे में था, रियो सम्मेलन उर्फ विश्व पृथ्वी शिखर सम्मेलन है, का उद्देश्य पृथ्वी की जैव विविधता की रक्षा के लिए था, एजेंडा 21 रियो डी जेनेरो, ब्राजील में आयोजित संधारणीय विकास के लिए संयुक्त राष्ट्र द्वारा एक गैर-बाध्यकारी कार्य योजना है।
Posted by Salman Khan 1 year, 10 months ago
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Preeti Dabral 1 year, 10 months ago
गांधी जी का कहना था कि बुरे साधन के कारण अच्छा साधन भी नष्ट हो जाता है । गांधी जी ने साधन और साध्य की तुलना बीज और फल से करते हुए कहा है कि जिस प्रकार बीज होंगे उसी प्रकार फल भी आएगा । इस प्रकार यदि साधन अच्छा नहीं होगा तो, साध्य की कल्पना अच्छी नहीं की जा सकती ।
Posted by Raja Kumar Chauhan 1 year, 10 months ago
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Preeti Dabral 1 year, 10 months ago
“A cell is defined as the smallest, basic unit of life that is responsible for all of life's processes.” Cells are the structural, functional, and biological units of all living beings. A cell can replicate itself independently. Hence, they are known as the building blocks of life.
Posted by Vijay Kumar 1 year, 11 months ago
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Preeti Dabral 1 year, 11 months ago
भूगोल (अंग्रेज़ी: Geography) वह विज्ञान है जिसके द्वारा पृथ्वी के ऊपरी स्वरुप और उसके प्राकृतिक विभागों (जैसे पहाड़, महाद्वीप, देश, नगर, नदी, समुद्र, झील, जल-संधियाँ, वन आदि) का ज्ञान होता है।
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Posted by Einstein Physics Classes Physics Classes 1 year, 11 months ago
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Preeti Dabral 1 year, 11 months ago
Explanation: N = mg = 40
(fs )max = μN = (0.8) (40) = 32
f s = ext. force = 30
R2 = N2 + fs 2 = (50)2
R = 50 N.
Posted by Raushan Kumar 1 year, 11 months ago
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Preeti Dabral 1 year, 11 months ago
When acetaldehyde is heated with bleaching powder, to form chloroform. CH3CHO +3Cl2 → CCl3CHO +3HCl
2CCl3CHO + Ca(OH)2 → 2HCCl3 + Ca(HCOO)2
Posted by Raj Kumar 1 year, 11 months ago
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Posted by Raj Kumar 1 year, 6 months ago
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Manish Ku Pal 1 year, 10 months ago
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