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UNITED BOOK HOUSE-2014 QUESTION PAPER-EXERCISE
- Which of the following compounds does not respond to Lasaigne test for...
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- The reaction condition leading to best yield of methyl chloride is
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- How many types of carbon atoms are persent in 2, 2, 3 trimethylpentan...
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- Acid rain is a dilute aqueous solution of which of the following pairs...
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- Fill in the blank : Metallic property of elements …………down thegroup in...
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- Arrange the following in increasing order of ionic radius : Na^+,F^-,O...
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- In a process, 600 J of heat is absorbed by asystem and 300 J of work i...
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- Latent heat of vaporisation of the water at normal boiling point is 40...
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- How would you convert? CH2=CH2rarr HC≡CH
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- A compound, on analysis shows C = 40%, H = 6.67% and O = 53.33%. Deter...
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- Calculate the percentage composition of the compound having the molecu...
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- PbCl4 is less stable than SnCl4 while PbCl2 is more stable than SnCl2....
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- B- F bond is polar but BF3 does not have a dipole moment — why?
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- What type of fission of a covalent bond produce free radicals? Give an...
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- Draw the structure of the following compound :3, 4 - dimethylpentanoic...
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- Write one effect of depletion of ozone layer and one measure for the p...
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- State the Heisenberg uncertainty principle. Calculate the de Broglie w...
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- When hydrogen, combines with oxygen, a polar covalent product is forme...
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- What types of bonds are present in KHF2?
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- Why H2 is a stable molecule but He2 is not?
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