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प्रश्न
Metal in the powdered form reacts very slowly with boiling water, but it decomposes in steam. Name the metal.
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उत्तर
Magnesium
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संबंधित प्रश्न
Hydrogen can be prepared with the metal zinc by using: alkali
Give an equation.
Thin strips of magnesium, copper, and iron are taken.
Arrange these metals in descending order of reactivity.
Which metal is preferred for collecting hydrogen from Cold water? Write the balanced equation.
Give reason for the following:
Potassium and sodium are not used for reaction with dilute hydrochloric acid or dilute sulphuric acid in the laboratory preparation of hydrogen.
Select the odd one out and justify your answer.
SO2, H2S, NH3, and CO3
Which of the following metals does not give hydrogen with acids?
Choose terms from the options given in brackets to complete this sentence.
Sodium ………………. reacts smoothly with cold water.
(metal, amalgam, in the molten state)
Correct the following statement:
Very dilute nitric acid reacts with iron to produce hydrogen.
Correct the following statement:
Conc. H2SO4 reacts with zinc to liberate hydrogen.
What do you observe when dilute sulphuric acid is added to Zinc granules.
