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ICSE-SAMPLE QUESTION PAPER -1-Answer the following questions:
- For a molecule, Nb = Na, will the molecule be stable?
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- (1) Which alkyne on reductive ozonolysis will produce glyoxal only? ...
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- At absolute zero, the entropy of a pure crystal is zero. This is
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- Give reason: Alkali metals are good reducing agents
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- In the Carius method of estimation of halogens, 0.250 g of an organic ...
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- In a Carius determination, 0.234 g of an organic substance gave 0.334 ...
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- Complete and balance the following equations: (i) FeSO(4)+H(2)O(2)+H...
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- A dry gas measuring 280 ml at 305 K and 750 mm of Hg, weighs 0.344 g. ...
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- Write the structural formula of the compounds having the following IUP...
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- The first ionisation enthalpy of nitrogen (Z=7) is greater than that o...
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- An unsaturated hydrocarbon 'A' adds two molecules of H(2) and on reduc...
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- How will you convert the following: (i) Ethyl alcohol to ethene (i...
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- (a) An atomic orbital has n = 3. What are the possible values of l? ...
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- (i) Which one of the following is more paramagnetic Fe^(2+) or Fe^(3+)...
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- Hydrogen combines with oxygen and forms two compounds. In the first co...
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- 750 ml of N2 gas when taken in a vessel has pressure equal to 900 mm o...
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- How dould you account for the following : The stability of +5 oxida...
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- Calculate the standard heat of formation (triangleH(f)^@)" of "C(6)H(1...
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- Which of the following possesses higher entropy: (1) Gaseous substan...
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- The gas leaked from a storage tank of the Union Carbide plant in Bhopa...
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