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प्रश्न
Choose the correct option:
Hydrogen is evolved by the action of cold dil. HNO3 on
पर्याय
Fe
Cu
Mg
Zn
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उत्तर
Mg
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संबंधित प्रश्न
From the knowledge of activity series, name a metal which shows the following properties:
It displaces hydrogen from hot water.
Complete the following word equation:
Calcium + water → calcium hydroxide + _________
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.
Write a balanced equation for the reaction named metal with (i) boiling water (ii) steam.
Select the odd one out and justify your answer.
Fe, Zn, Cu and Mg
Which metal gives hydrogen with all of the following: water, acids, alkalis?
Choose terms from the options given in brackets to complete this sentence.
Sodium ………………. reacts smoothly with cold water.
(metal, amalgam, in the molten state)
What do you observe when dilute sulphuric acid is added to Zinc granules.
Give a chemical test to distinguish between the following gases:
Hydrogen chloride and hydrogen sulphide
