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प्रश्न
Complete the following word equation:
Calcium + water → calcium hydroxide + _________
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उत्तर
Calcium + water → calcium hydroxide + hydrogen
संबंधित प्रश्न
From the knowledge of activity series, name a metal which shows the following properties
It reacts readily with cold water
From the knowledge of activity series, name a metal which shows the following properties:
It displaces hydrogen from dilute HCl.
A small piece of calcium metal is put into a small trough containing water. There is effervescence and white turbidity is formed.
Write an equation for the reaction.
Thin strips of magnesium, copper, and iron are taken.
Arrange these metals in descending order of reactivity.
Select the odd one out and justify your answer.
Fe, Zn, Cu and Mg
Correct the following statement:
Very dilute nitric acid reacts with iron to produce hydrogen.
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
State why hydrogen is not prepared in the laboratory by the action of lead with dilute hydrochloric acid.
Name the following.
The salt formed when aluminium reacts with potassium hydroxide, during the preparation of hydrogen from alkalis.
