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प्रश्न
Name a gas which burns in air or oxygen forming water.
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उत्तर
The gas that burns in oxygen to form water is hydrogen.
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संबंधित प्रश्न
Indicate which of the following statement is true and which is false:
The hydrogen molecule is monovalent.
Give reason for the following:
A pop sound produced when hydrogen is burnt?
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In nature, hydrogen occurs as a .................. molecule represented as H2
FILL IN THE BLANK
Hydrogen is present abundantly in the ................
Why is hydrogen called a reducing agent? Give chemical equation to support your answer ?
Choose terms from the options given in brackets to complete this sentence.
A metal …………….. hydrogen in the activity series gives hydrogen with …………… acid or …………… acid.
(above, below, dilute hydrochloric, concentrated hydrochloric, dilute sulphuric).
How is hydrogen separated from carbon dioxide and carbon monoxide?
Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen is a combustible gas.
Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen does not support combustion.
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Hydrogen sulphide is ______ to sulphur since the reaction involves ______ of hydrogen.
Give reason for the following:
The reaction of chlorine with hydrogen sulphide is deemed a redox reaction.
What do the following symbols [or formula] denote : 2H ; H2 ; H+. [two atoms, molecule, ion]
How can you obtain hydrogen from sodium hydroxide [not by electrolysis].
Write a correctly balanced equation for the following:
When steam is passed over red hot iron.
How would you obtain ‘hydrogen from sodium hydroxide’ solution other than by electrolysis?
What do the following symbols represent : 2H and H2.
Describe briefly, with equations, the Bosch Process for the large scale production of hydrogen.
Give balanced equation for obtaining hydrogen from cold water using a divalent active metal.
