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PSA Questions
Ask questions which are clear, concise and easy to understand.
Whythe earth revolving
Posted by Ashu Tosh (Sep 22, 2017 9:40 a.m.) (Question ID: 45542)
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Paper ma aai hoa questions
Posted by Bhawana Chauhan (Sep 22, 2017 9:34 a.m.) (Question ID: 45540)
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Why the electron gain enthalpy of fluorine and oxygen is lower one that of chlorine and sulphur respectively
Posted by Shubham Juyal (Sep 22, 2017 9 a.m.) (Question ID: 45525)
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Which had more electron gain enthalpy O or N and why?
Posted by Vinay Kumar (Sep 22, 2017 8:42 a.m.) (Question ID: 45513)
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What is revenue
Posted by Rahul Pal (Sep 22, 2017 8:31 a.m.) (Question ID: 45510)
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Father of economic
Posted by Ajeet Singh Singh (Sep 22, 2017 8:31 a.m.) (Question ID: 45509)
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What i
Posted by Rahul Pal (Sep 22, 2017 8:27 a.m.) (Question ID: 45507)
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What are lysosomes?
Posted by Ramanpreet Kaur (Sep 22, 2017 7:50 a.m.) (Question ID: 45500)
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What is implus
Posted by Isha Deo (Sep 22, 2017 7:32 a.m.) (Question ID: 45493)
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The rate of change of momentum.Posted by Vinay Kumar (Sep 22, 2017 8:40 a.m.)
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What is ionisation enthalpy of N & O
Posted by Vikas Sharma (Sep 22, 2017 6:34 a.m.) (Question ID: 45467)
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What are behaviour change techniques for physical education
Posted by Taruna Kansal (Sep 22, 2017 5:51 a.m.) (Question ID: 45447)
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Cos(22/7/4+x)+cos(22/7/4-x)=2cosx
Posted by Rajan Thakur (Sep 22, 2017 5:37 a.m.) (Question ID: 45441)
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Business study In Hindi
Posted by Faizan Rajput (Sep 22, 2017 5:10 a.m.) (Question ID: 45434)
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Atomic size of oxygen is bigger than nitrogen. Why?
Posted by Rahul Pal (Sep 22, 2017 5:02 a.m.) (Question ID: 45431)
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As oxygen has more number of electronsAnswered by Yogesh Rupireddy (Sep 22, 2017 7:15 a.m.)Thanks (0)
Why did carter cut the mummie free from the ritual resins
Posted by Robin Singh (Sep 22, 2017 4:13 a.m.) (Question ID: 45424)
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What are placer deposits?
Posted by Zubain Meghani (Sep 22, 2017 1:33 a.m.) (Question ID: 45420)
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पुनःजागरण
Posted by Kumar Bablu (Sep 22, 2017 1:09 a.m.) (Question ID: 45416)
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Oxidizing agent?
Posted by Anshika Gupta (Sep 22, 2017 12:54 a.m.) (Question ID: 45414)
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Addition of oxyen in an element that element is known as oxidizing agent.Posted by Vinay Kumar (Sep 22, 2017 8:38 a.m.)
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OxygenAnswered by Sandhya Rani (Sep 22, 2017 8:16 a.m.)Thanks (0)
Valence bond theory?
Posted by Anshika Gupta (Sep 22, 2017 12:49 a.m.) (Question ID: 45413)
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Valence shell electron pair repulsion theory?
Posted by Anshika Gupta (Sep 22, 2017 12:43 a.m.) (Question ID: 45410)
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What is Limiting reagents?
Posted by Anchal Gupta (Sep 22, 2017 12:42 a.m.) (Question ID: 45409)
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Which decides the limit of solution to make in a reaction.Posted by Vinay Kumar (Sep 22, 2017 8:39 a.m.)
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The substances which are consume in the reaction are called limiting reagent.Answered by Vandana Amol (Sep 22, 2017 5:54 a.m.)Thanks (2)
Iupac nomenclature
Posted by Anchal Gupta (Sep 22, 2017 12:38 a.m.) (Question ID: 45408)
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Mendeeleev classification
Posted by Anchal Gupta (Sep 22, 2017 12:36 a.m.) (Question ID: 45407)
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I correct a first linePosted by Anshika Gupta (Sep 22, 2017 12:41 a.m.)
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When the element are arrangedAnswered by Anshika Gupta (Sep 22, 2017 12:40 a.m.)Thanks (0)
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When electron are arranged in the order of increasing atomic masses. Mendeeleev law state that the properties of element are peroidic function of their atomic masses.Answered by Anshika Gupta (Sep 22, 2017 12:40 a.m.)Thanks (1)
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The properties of elements are periodic function of their atomic masses.Answered by Anchal Gupta (Sep 22, 2017 12:39 a.m.)Thanks (1)
What is hund's rule?
Posted by Vinay Kumar (Sep 22, 2017 12:23 a.m.) (Question ID: 45403)
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ThanksPosted by Vinay Kumar (Sep 22, 2017 8:35 a.m.)
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Electron pairing will not take place in orbitals of same energy until each orbitals is single filledAnswered by Anshika Gupta (Sep 22, 2017 12:27 a.m.)Thanks (2)
What is dipole moment?
Posted by Anshika Gupta (Sep 22, 2017 12:17 a.m.) (Question ID: 45401)
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You're welcomePosted by Vinay Kumar (Sep 22, 2017 8:34 a.m.)
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ThanksPosted by Anshika Gupta (Sep 22, 2017 12:31 a.m.)
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Distance between two negative and positive charge.Posted by Vinay Kumar (Sep 22, 2017 12:29 a.m.)
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Explain law of conservation of mass
Posted by Naveen Kumar (Sep 22, 2017 12:15 a.m.) (Question ID: 45400)
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Mass can neither be created nor be destroyed in a chemical reaction. The total mass of the product is equal to the total mass of the reactants.Answered by Anshika Gupta (Sep 22, 2017 12:20 a.m.)Thanks (2)
What is lattice enthalpy?
Posted by Anshika Gupta (Sep 22, 2017 12:04 a.m.) (Question ID: 45397)
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Mention not!!!!Posted by Vinay Kumar (Sep 22, 2017 8:34 a.m.)
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ThanksPosted by Anshika Gupta (Sep 22, 2017 12:31 a.m.)
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Energy required to separate one mole of solid ionic compound into gaseous ionic compound.Posted by Vinay Kumar (Sep 22, 2017 12:28 a.m.)
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Why do we need the Constitution
Posted by Nishu Kashyap (Sep 21, 2017 11:46 p.m.) (Question ID: 45392)
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Please give me the last year question oaper of biology of summative assessment first of class 11
Posted by Varun Arya (Sep 21, 2017 11:26 p.m.) (Question ID: 45389)
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It is question paper not oaper it was done by mistakePosted by Varun Arya (Sep 21, 2017 11:27 p.m.)
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What is continental drift?
Posted by Subham Jena (Sep 21, 2017 11:02 p.m.) (Question ID: 45374)
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