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Convert 2.5 km/M to m/s

Posted by Pari 123 1 day ago

CBSE > Class 11 > Chemistry

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The density of 3 M solution of NaCl is 1.25 g mL^-1. Calculate molality of the solution

Posted by Mandeep Kaur 6 days, 2 hours ago

CBSE > Class 11 > Chemistry

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If all the oxygen atoms from a mixture of 2 moles of H2P2O7, 54 gm H2O and 98 gm H2SO4 are taken and converted into O3 then the number of Ozone gas formed will be

Posted by Videet Shelar 1 week, 1 day ago

CBSE > Class 11 > Chemistry

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Given that abundance of isotopes of Fe54 ,Fe 56, Fe 57 are 5%, 90%, 5% respectively. Find the avarage atomic number of Fe

Posted by Sohan Reddy 1 week, 4 days ago

CBSE > Class 11 > Chemistry

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If the value of n+l is more than 3 and less than 6, what will be the possible number of orbitals

Posted by Neeraj Pandey 2 weeks, 2 days ago

CBSE > Class 11 > Chemistry

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What are major differences between metals and non-metals

Posted by Aastha Tiwari 3 weeks ago

CBSE > Class 11 > Chemistry

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Nakshatra Pendyala 2 weeks, 3 days ago

Metals are acidic in nature which means they contain acidic oxides and non metals are basic in nature which means they contain basic oxides

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Consider the element Cs,Ne,I and F (A) identify the element that exhibits only negative oxidation state (B)identify the element that exhibits only postive oxidation state (C)identify the element that exhibits only postive and negative oxidation state (D)identify the element which exhibits neither the negative nor does the positive oxidation

Posted by Govind Jat 4 weeks, 2 days ago

CBSE > Class 11 > Chemistry

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Priyanshu Kumar 3 weeks, 3 days ago

F- exhibits only negative oxidation state . Cs- exhibits only positive oxidation state I- exhibits only negative and positive oxidation state Ne- exhibits neither the negative nor does the positive oxidation state

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How were cathode rays discovered Class 11(a) cathode ray travel in straight line (b) cathode rays consist of material particle (c) cathode rays consist of negative charge particle

Posted by Vivek Prajapat 1 month ago

CBSE > Class 11 > Chemistry

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Pratham Vaishnav 1 month ago

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Numerical of chapter 2 NCRT

Posted by Tulsi Sahu 1 month, 1 week ago

CBSE > Class 11 > Chemistry

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What do you understand by exothermic reaction and endothermic reaction? Give one example of each type. 19- Calculate: Number of gram atoms in 1.4 grams of nitrogen. (Atomic mass, N = 14) 20- Draw the structure of the following compounds all showing C and H atoms. (a) 2-methyl -3-isopropyl heptane (b) Dicyclopropyl methane.

Posted by Madhav Namdev 1 month, 1 week ago

CBSE > Class 11 > Chemistry

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Aditya Jain 4 weeks, 2 days ago

Endothermic rxn. = the reaction accompanied by absorption of heat is called Endothermic rxn . E.g. 2NH3 ----- N2 + 3H2

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Aditya Jain 4 weeks, 2 days ago

Exothermic = the reaction accompanied by release of energy in the form of heat or light is called exothermic reaction E.g. c+o2 --- co2

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Posted by Aditya Verma 1 month, 1 week ago

CBSE > Class 11 > Chemistry

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Cbse Student 1 month, 1 week ago

Propyne has 3 Carbons but one triple bond (Basically alkyne) Propene has also 3 Carbons but one double bond (alkene)

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How is alkyne prepared from alcohol

Posted by Nikhil Shukla 1 month, 1 week ago

CBSE > Class 11 > Chemistry

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Himanshu Garg 2 weeks, 4 days ago

CH3CH2OH + 2 HCL =CH3C(Cl)(Cl) + Alcoholic KOH = CHCH

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1. A measured temperature on Fahrenheit scale is 200F. What will this reading be on the Celsius scale

Posted by Praduman Bharadwaj 1 month, 2 weeks ago

CBSE > Class 11 > Chemistry

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Nikhil Maddheshiya 1 month, 1 week ago

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Nikhil Maddheshiya 1 month, 1 week ago

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Why PYQ is important for CBSE board of class 12 sci exams

Posted by Aryan Raut 1 month, 2 weeks ago

CBSE > Class 11 > Chemistry

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Oxidation number of S in H2SO5

Posted by Rozee Leimapokpam 1 month, 2 weeks ago

CBSE > Class 11 > Chemistry

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Himanshu Garg 2 weeks, 4 days ago

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Shivam Gupta 1 month, 1 week ago

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Assertion. The resonance structure is hypothetical and individualy represent any real molecules. Reason . ACC to resonance theory actual structure of benzene can not be adequately represented by any of these structure.

Posted by Vanika Chadgal 1 month, 2 weeks ago

CBSE > Class 11 > Chemistry

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Ankur Tiwary 2 weeks, 2 days ago

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Calculate number of gram atoms in 1.4 grams of nitrogen

Posted by Nikhi Tiwari 1 month, 2 weeks ago

CBSE > Class 11 > Chemistry

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Himanshu Garg 2 weeks, 4 days ago

0.1

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Explain Markovnikov and Anti Markovnikov rule with mechanism

Posted by Aadi Pareek 1 month, 3 weeks ago

CBSE > Class 11 > Chemistry

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Calculate the bond order for an ion with this configuration: (σ2s)2 (σ*2s)2 (σ2pz) 2 (π2px,π2py) 4 (π*2px,π*2py) 3 OR Propanal and pentane-3-one are the ozonolysis products of an alkene.

Posted by Sumedh Kallur 1 month, 3 weeks ago

CBSE > Class 11 > Chemistry

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CH3CH=C(CH3) 2

Posted by Vanessa B 1 month, 3 weeks ago

CBSE > Class 11 > Chemistry

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Sita Kumari 1 month, 3 weeks ago

2-methylbutene

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Posted by Ayush Kashyap 1 month, 3 weeks ago

CBSE > Class 11 > Chemistry

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Om Sable 1 month, 3 weeks ago

Entropy ka matalb bigadapan Matalb ek cheese kitne bigadi hai (degree of randomness)

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Inmein toxy Ethane methoxy group activate the ring towards electrophilic substitution reaction

Posted by Aparna Kumari 1 month, 3 weeks ago

CBSE > Class 11 > Chemistry

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50 kg off into anten kg of H2 are the mixed to produce NH2 calculate the amount of energy three from identify the limiting reagent in the production of each three in the situation

Posted by Asif Hassan 1 month, 3 weeks ago

CBSE > Class 11 > Chemistry

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Posted by Anshit Saini 1 month, 3 weeks ago

CBSE > Class 11 > Chemistry

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Ayush Kashyap 1 month, 3 weeks ago

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Posted by Himanshu Shrivastav 1 month, 3 weeks ago

CBSE > Class 11 > Chemistry