UNITED BOOK HOUSE-HARE SCHOOL QUESTION PAPER -EXERCISE
- What volume of CO2 will be librated at STP if I.2.g of carbon is burnt...
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- Which one of the following, if any, contains the greatest number of ox...
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- The vapour density ratio of two gases is 1 :3. What is their ratio of ...
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- The general electronic configuration of d-block elements is
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- Arrange the following species in their increasing radius : K^+, Cl^-, ...
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- Which element is in diagonal relationship with lithium in periodic tab...
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- 16 g of an ideal gas SOx occupies 5.6 L STP. Calculate the value of X....
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- A peroxidase'enzyme isolated from human red blood cells was found to c...
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- A neutral atom contains 2K, 8L, 9M and 2N electrons. Writing its elect...
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- A neutral atom contains 2K, 8L, 9M and 2N electrons. Writing its elect...
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- From the ground state electronic configuration of Sc (z = 21), write d...
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- What is ‘radiationless orbit'? To be radiationaless what is the defini...
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- Mention the hybridised state for each carbon atom marked with numerals...
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- Give the structure of neo pentyl chloride with the formula C5H11CI.
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- Select a pair of chain isomers from the following:
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- A macroscopic dust particle of mass 0.01 mg is. moving with a velocity...
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- State the Hund’s rule of maximum multiplicity. Wh Fe^(3+) ion is more ...
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- If the outer most electron configurationof an element is 3d^7 4S^2, th...
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- Explain the cause of Lantharide contraction.
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- Arrange the followings in increasing order as directed : C, Be, N, B,...
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