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प्रश्न
Under what conditions can hydrogen be made to combine with sulphur?
Name the products and write the equation for the reaction.
उत्तर
Hydrogen gas on passing through molten sulphur reacts to give hydrogen sulphide.
H2 + S → H2S
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संबंधित प्रश्न
Discuss the occurrence of hydrogen in the universe and on the earth ?
Describe two chemical properties of hydrogen with equations.
Under what conditions can hydrogen be made to combine with nitrogen?
Name the products and write the equation for the reaction.
Under what conditions can hydrogen be made to combine with oxygen?
Name the products and write the equation for the reaction.
Choose terms from the options given in brackets to complete this sentence.
Hydrogen is ………………… soluble in water.
(sparingly, highly, moderately)
State the following pertaining to the physical properties of hydrogen: Effect on moist blue litmus paper.
With reference to the uses of hydrogen, give reason for the following:
Hydrogen is not used in air balloons
With reference to the uses of hydrogen, give reason for the following:
A mixture of hydrogen & oxygen on burning, find application in welding & cutting metals.
Place the metals calcium, iron, magnesium and sodium in order of their activity with water, placing the most active first. Write the equation for each of the above metals which react with Water.
State the use of hydrogen –
In hydrogenation of oil and coal
