Hydrogen Chemistry NEET Practice Questions
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Which of the following statements about hydrogen is incorrect?freelY
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Water gas is produced by
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Which of the following is a true peroxide?
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The structure of H2O is
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Which is used as a moderator in a nuclear reactor?
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The reaction of H2O2 with H2S is an example of...… reaction.
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At its melting point, ice is lighter than water because
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Acidified solution of chromic acid on treatment with H2O2 yields
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Moist H2O2 cannot be dried over conc. H2SO4 because:
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Water softening by Clarke’s process uses:
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Which of the following pairs of substances on reaction will not evolve H2(g)?
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The method used to remove the temporary hardness of water is
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The action of water or dilute mineral acids on metals can give
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water Permanent hardness from water can be removed by adding
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The reagent(s) used for softening the temporary hardness of water is(are)
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Which one of the following pairs of substances on reaction will not evolve H2 gas?
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volumes of H2O2 means
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The adsorption of hydrogen by palladium is called ———–
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The volume strength of 1.5 N H2O2 solution is
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The volume of 10-volume H2O2 solution that decolorizes 200 ml. of 2N KMnO4 solution in an acidic medium is
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Hydrogen will not reduce
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Heavy water is obtained by
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The critical temperature of the water is higher than that of O2 because the H2O molecule has
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Polyphosphates are used as water softening agents because they
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Para and ortho hydrogen differ in
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Which one of the following ionic species has the greatest proton affinity to form stable compounds?
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Which of the following statements is most applicable to hydrogen? It can act
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The number of hydrogen-bonded water molecule(s) associated with CuSO4. 5H2O is
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The reagent commonly used to determine the hardness of water titrimetrically is
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What is heavy water?
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Hydrolysis of one mole of Peroxidic sulphuric acid produces
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Which of the following groups of ions makes the water hard?
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Hardness of water is due to the pair of ions
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Amongst H2O, H2S, H2Se, and H2Te, the one with highest boiling point is
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Nascent hydrogen consists of
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Which of the following is electron-deficient?
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The O – O – H bond angle in H2O2 is
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Hydrogen peroxide molecules are
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What is false about H2O2?
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The correct increasing order of the acidity of CO2, H2O and H2O2 is
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Which of the following metal evolves hydrogen on reacting with cold dilute HNO3?
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The oxidation states of the most electronegative element in the products of the reaction BaO2 with dil. H2SO4 is
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The structure of H2O2 is
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Zeolite used to soften hardness of water is hydrated:
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Which of the following statements about hydrogen is incorrect
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