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UNITED BOOK HOUSE-MODEL QUESTION PAPER 1-EXERCISE
- Which of the following compound has the lowest melting point?
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- Which pair of the following chlorides do not impart colour to the flam...
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- For which of the following compounds will Lassaigne's test for nitroge...
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- The number of sigma and pi bonds present in 1-Buten-3-yne are
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- The reagents for the following conversion
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- In any sample of water it is always found that
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- From 400 mg of C02, 10^21 molecules are removed.. How many moles of C0...
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- 2.49 xx 10^-18 g of an element. A contains 2.0 xx 10^4 atoms. What is,...
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- In which block element lanthanoid Contraction observe?
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- Name the element having highest electron affinity.
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- Which type of property internal energy is?
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- Baeyer's reagent is -
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- A compound composed of carbon,hydrogen and chlorine contains C = 10.04...
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- State Paulils exclusion principle. Give an example of an ion which obe...
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- Explain, why 3f orbital does not exist. Far how many electrons of Cl-a...
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- Suggest reasons why the B-F bond length in BF3 (130 Pm) and BF4^- (143...
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- How will you convert a mixture of CO and CO2 completely into CO ?
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- How will you convert a mixture of CO and CO2 completely into CO ?
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- (CH3)3C-Cl, is unreactive, towards SN^2 reaction.Why?
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- Write one effect of depletion of ozone layer and one measure for the p...
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