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प्रश्न
Multiple Choice Question
Hydrogen is responsible for producing
विकल्प
heat and light
hydrogenated oil
fertilizers
all of the above
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उत्तर
all of the above
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In nature, hydrogen occurs as a .................. molecule represented as H2
Write the balanced equation and give your observation when the following metal reacts:
Magnesium with boiling water
Give the balanced equation of the reaction.
Give equations for the reactions.
Give a test to differentiate between two gas jars – one containing pure hydrogen and the other hydrogen-air mixture.
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.
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Chlorine acts as an ______ agent.
Give reason for the following:
The reaction of chlorine with hydrogen sulphide is deemed a redox reaction.
What do you observe when a piece of sodium is dropped into cold water?
Complete and balance the following equations:
Al + NaOH + ____ → ____ + ____
