Advertisements
Advertisements
Question
Name a gas which burns in air or oxygen forming water.
Advertisements
Solution
The gas that burns in oxygen to form water is hydrogen.
APPEARS IN
RELATED QUESTIONS
Give reason for the following:
A pop sound produced when hydrogen is burnt?
Define catalytic hydrogenation.
Multiple Choice Question
Hydrogen is
FILL IN THE BLANK
The compounds of carbon and hydrogen are called .................
Write the balanced equation and give your observation when the following metal reacts:
Calcium with cold water
Correct the following statement:
Hydrogen is dried by passing it through conc. H2SO4.
Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen does not support combustion.
Give a test to differentiate between two gas jars – one containing pure hydrogen and the other hydrogen-air mixture.
Give balanced equation for the following conversion:
Iron [III] oxide to iron – using hydrogen.
Select the correct options for the following statement:
The gas which has now replaced hydrogen in air balloons is ___.
What do the following symbols [or formula] denote : 2H ; H2 ; H+. [two atoms, molecule, ion]
Write a correctly balanced equation for the following “word equation”:
calcium + water → calcium hydroxide + hydrogen
Write a correctly balanced equation for the following:
When steam is passed over red hot iron.
Explain the following:
Two jars of H2 are collected – “one burns quietly and the other does not”.
Describe one chemical test applied to the following gases, which would enable you to distinguish between them :‘carbon monoxide and hydrogen’.
Write down the “word equation” for the following reaction:
sodium hydroxide solution + zinc → ?
How would you obtain ‘hydrogen from sodium hydroxide’ solution other than by electrolysis?
What do the following symbols represent : 2H and H2.
Give balanced equation for obtaining hydrogen from cold water using a divalent active metal.
