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प्रश्न
Based on the reactions of water on metals, arrange the following metals in increasing order of reactivity: iron, sodium, magnesium, zinc, calcium
उत्तर
Increasing order of reactivity of metals:
Iron < Zinc < Magnesium < Calcium < Sodium
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संबंधित प्रश्न
From the knowledge of activity series, name a metal which shows the following properties
It reacts readily with cold water
Give an equation to express the reaction between:
Calcium and water
A small piece of calcium metal is put into a small trough containing water. There is effervescence and white turbidity is formed.
Name the gas formed in the reaction. How would you test the gas?
Thin strips of magnesium, copper, and iron are taken.
Arrange these metals in descending order of reactivity.
Choose the correct option:
Hydrogen is evolved by the action of cold dil. HNO3 on
What do you observe when hydrogen gas is passed through a soap solution?
Select the odd one out and justify your answer.
SO2, H2S, NH3, and CO3
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
Name the following.
The salt formed when aluminium reacts with potassium hydroxide, during the preparation of hydrogen from alkalis.
