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Are Ketones Polar?

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posted Sep 12, 2016 by anonymous

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1 Answer

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Chemistry is a very important topic and the Date of JEE Advanced 2018 is out
The important topic covers in chemistry
• Alkyl Halide, Alcohol & Ether (Reaction Mechanism)- 1 que 4 marks
• Amines- 1 que 4 marks
• Aromatic Compounds -1 que 4 marks

answer 2 days ago by Rahul Sharma
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Please provide a sequence in which one should your lectures for jee preaparation as they are alphabetically arranged

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As we all know that how important this exam is IIT JEE
This is one of the most popular exam in India and is one of the toughest exam also
A good rank in JEE Mains can be grabbed by a good score in JEE along with a good percentage in Board exams. There is a criterion that the marks scored in JEE Exams are allotted 60% weightage and rest 40% is for board can check your JEE Advanced Eligiblity 2018
It doesn’t matter if you got compartment in physics, what matters is you must overall score up to the JEE’s criteria. Student who performs more than 75%(65% for SC/ST Candidates) is only eligible for the exam.

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(i) Convert 14 mm to its equivalent in m.
(ii) Convert 35 kg to its equivalent in g.
(iii) Convert 57 mL to its equivalent in L.
(iv) Convert a speed of 88 m/s to its equivalent in cm/s.
(v) Convert a density of 9.45 g/L to its equivalent in g/mL.
(vi) The density of mercury metal is 1.6 g/mL. What is the mass of 3.55 mL of the metal?
(vii) The density of lead is 11.3 g/mL. What is the mass of 45 mL of the metal?
(viii) The density of table salt, NaCl, is 2.16 g/mL. what is the mass of 100.0 mL of this solid?
(ix) A particle moves through a gas at a speed of 15 km/s. How far will it move in 5.5 s?
(x) A mole of copper contains 6.02×1023 atoms. How many atoms are there in 0.525 moles?
(xi) A solution of barium nitrate contains 61.2 g per liter of solution. How many grams of barium nitrate is
contained in 2.75 L of this solution?
(xii) A sample of seawater contains 0.000245 g of sodium chloride per mL of solution. How much sodium
chloride is contained in 50.0 mL of this solution?