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प्रश्न
Correct the following statement:
Very dilute nitric acid reacts with iron to produce hydrogen.
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उत्तर
Very dilute nitric acid reacts with magnesium and manganese to produce hydrogen.
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संबंधित प्रश्न
Write a balanced equation for the following:
Iron reacts with dil. HCl
From the knowledge of activity series, name a metal which shows the following properties:
It forms a base which is insoluble in water.
Choose the correct option:
Hydrogen is evolved by the action of cold dil. HNO3 on
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.
Metal in the powdered form reacts very slowly with boiling water, but it decomposes in steam. Name the metal.
Select the odd one out and justify your answer.
Zn, Fe, Mg, and Na
Using dilute sulphuric acid how would you differentiate between:
Copper and magnesium
How would you identify the gaseous products evolved.
State why hydrogen is not prepared in the laboratory by the action of calcium with dilute sulphuric acid.
‘Magnesium reacts with very dilute nitric acid at low temperatures liberating hydrogen.’ Give reasons.
Name the following.
A metal which cannot be used for the preparation of hydrogen using dilute acids.
