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प्रश्न
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Zinc - Zn + 2HCl → ______ + _______ [g]
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उत्तर
Zinc - Zn + 2HCl → ZnCl2 + H2 [g]
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संबंधित प्रश्न
Fill in the blank
Hydrogen is ...................soluble in water.
Multiple Choice Question
Water gas is a mixture of
Which metal is preferred for the preparation of hydrogen?
from water?
What is noticed if the products are not allowed to escape?
Why hot concentrated sulphuric acid is not used in the preparation of hydrogen?
Why are the following metals not used in the lab preparation of hydrogen?
calcium
Complete and balance the following reaction.
Al + KOH + H2O→_____________ +___________
Give reason:
A candle brought near the mouth of a jar containing hydrogen gas starts burning but is extinguished when pushed inside the jar.
Select the correct options for the following statement:
A metal which reacts with water to give a metallic hydroxide & liberate hydrogen.
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Fe3O4 + H2}\]
