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प्रश्न
Choose terms from the options given in brackets to complete this sentence.
Hydrogen is ………………… soluble in water.
(sparingly, highly, moderately)
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उत्तर
Hydrogen is sparingly soluble in water.
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संबंधित प्रश्न
Write two physical properties of hydrogen.
Describe two chemical properties of hydrogen with equations.
Discuss the use of hydrogen as a fuel ?
Hydrogen is evolved when dilute HCl reacts with magnesium, but nothing happens in the case of mercury and silver. Explain.
Under what conditions can hydrogen be made to combine with oxygen?
Name the products and write the equation for the reaction.
With reference to the uses of hydrogen, give reason for the following:
Hydrogen is not used in air balloons
Complete and balance the equation:
Conversion of hydrogen to -
Water - 2H2 + O2 → ________
Complete and balance the equation:
Conversion of hydrogen to -
Hydrogen chloride - H2 + Cl2 → ________
Complete and balance the equation:
Hydrogen in metallurgy - reduction of
Zinc oxide - ZnO + H2 → ________ + ______
State the use of hydrogen –
In the extraction of metals
