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MBD PUBLICATION-p-BLOCK ELEMENTS-QUESTION BANK
- Which of the following occurs in free state ?
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- Which element does not show allotropy?
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- Which is a true acid anhydride?
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- An inorganic compound producing organic compound on heating is:
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- In the reduction of HNO3 to N2O the number of mole of electrons involv...
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- Phosphine on reaction with hydrobromic acid gives:
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- The starting material in birkeland and Eyde process for the manufactur...
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- Which of the following liberates H(2), with nitric acid?
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- Density of nitrogen gas prepared from air is slightly greater than tha...
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- Which is not correct for N2O ?
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- N2O is formed on reaction with dil, HNO3 with:
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- Which of the following equations is not correctly formulated?
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- Which halide of nitrogen is least basic?
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- Laughing gas is prepared by heating:
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- The catalyst used in the manufacturer of HNO3 by Ostwald.s process is:
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- Most explosive compound is :
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- The molecular formula of phosphorus is:
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- The chemical used for cooling in refrigenaration or in manufacture of ...
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- Most acidic oxide is:
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- An important method of fixation of atmospheric N2 is:
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