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Complete the following reaction:
\[\ce{C3H_{8(g)} + 3H2O_{(g)} ->[\Delta][catalyst]}\]?
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Complete the following reaction:
\[\ce{Zn_{(s)} + NaOH_{(aq)} ->[heat]}\]?
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An aqueous solution of borax is _______.
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Explain the Structure of Diborane.
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What do you mean by ozone hole?
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Write Lewis structure of the following compounds and show formal charge on atom.
\[\ce{HNO3}\]
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Write Lewis structure of the following compounds and show formal charge on atom.
\[\ce{NO2}\]
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Write Lewis structure of the following compounds and show formal charge on atom.
\[\ce{H2SO4}\]
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Represent diagrammatically the bond moments and the resultant dipole moment in \[\ce{CO2, NF3}\] and \[\ce{CHCl3}\].
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Which of the following reactions increases production of dihydrogen from synthesis gas?
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Match Column I with Column II for the given properties/applications mentioned therein.
| Column I | Column II |
| (i) \[\ce{H}\] | (a) Used in the name of perhydrol. |
| (ii) \[\ce{H2}\] | (b) Can be reduced to dihydrogen by \[\ce{NaH}\]. |
| (iii) \[\ce{H2O}\] | (c) Can be used in hydroformylation of olefin. |
| (iv) \[\ce{H2O2}\] | (d) Can be used in cutting and welding. |
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Atomic hydrogen combines with almost all elements but molecular hydrogen does not. Explain.
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How can \[\ce{D2O}\] be prepared from water? Mention the physical properties in which \[\ce{D2O}\] differs from \[\ce{H2O}\]. Give at least three reactions of \[\ce{D2O}\] showing the exchange of hydrogen with deuterium.
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Amphoteric hydroxides react with both alkalies and acids. Which of the following Group 2 metal hydroxides is soluble in sodium hydroxide?
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The formula of soda ash is ______.
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A chemical A is used for the preparation of washing soda to recover ammonia. When CO2 is bubbled through an aqueous solution of A, the solution turns milky. It is used in whitewashing due to disinfectant nature. What is the chemical formula of A?
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When Zeolite, which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with which of the following ion(s)?
(i) H+ ions
(ii) Mg2+ ions
(iii) Ca2+ ions
(iv) \[\ce{SO^{2-}4}\] ions
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Complete the following reactions.
\[\ce{O^{2-}2 + H2O ->}\]
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Complete the following reactions.
\[\ce{O^{-}2 + H2O ->}\]
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In the Solvay process, can we obtain sodium carbonate directly by treating the solution containing (NH4)2CO3 with sodium chloride? Explain.
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