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प्रश्न
Write the reactions of the first three alkaline earth metals with dilute hydrochloric acid.
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उत्तर
Reactions of the first three alkaline earth metals with dilute hydrochloric acid:
Be + 2HCl → BeCl2 + H2
Mg + 2HCl → MgCl2 + H2
Ca + 2HCl → CaCl2 + H2
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संबंधित प्रश्न
Arrange the Elements of Group 17 and Group 1 According to the Given Conditions.
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What is meant in the periodic table by a group?
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
Name and state the following with reference to the elements of the first three periods of the periodic table.
Group whose elements have zero valencies.
Name the gas used in:
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Write a short note on the following type of element –
alkali metals
Give a reason for the following:
Noble gases do not form compounds readily.
State the following:
The group whose elements are unreactive or inert.
State the following:
The group which contains highly reactive electronegative non-metals including chlorine.
