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प्रश्न
From the knowledge of activity series, name a metal which shows the following properties
It reacts readily with cold water
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उत्तर
Sodium
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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 displaces hydrogen from dilute HCl.
Thin strips of magnesium, copper, and iron are taken.
Write down what happens when these metals are treated as follows:
- Heated in presence of air
- Heated with dil.HCl
- Added to an aqueous solution of zinc sulphate.
Which metal is preferred for collecting hydrogen from Cold water? Write the balanced equation.
Which metal is preferred for collecting hydrogen from:
Write the balanced equation
Hot water
Select the odd one out and justify your answer.
SO2, H2S, NH3, and CO3
Helium is preferred to hydrogen for filling balloons because it is:
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.
State why hydrogen is not prepared in the laboratory by the action of calcium with dilute sulphuric acid.
