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JEE CHEMISTRY MCQ: HYDROGEN

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Density of water is maximum at :

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Correct option: C

4^\circ \mathrm{C}

Option C (

4^{\circ} \mathrm{C}

) is correct because water has its maximum density at 4 degrees Celsius.

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Hydrogen is prepared on large scale for industrial use 10 volumes of

{H_2}{O_2}

has a strength of The pH of a solution of

{\mathrm{H}_2}{\mathrm{O}_2}

is 6.0. Some chloride gas is bubbled into this solution. Which of the following is correct? An aqueous solution of hydrogen peroxide is The pair that yields the same gaseous product on reaction with water: S-I: The unsaturated fat (oils) are changed to saturated fat by

{H}_2

in presence of finely divided

{Ni}

{H}_2

Shows addition around doubly bonded carbon atoms.