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Question
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Aluminium - 2Al + 3H2SO4 → ______+ _______ [g]
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Solution
Aluminium - 2Al + 3H2SO4 → Al2(SO4)3 + 3H2 [g]
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Multiple Choice Question
The metal which reacts with cold water to produce hydrogen is
MULTIPLE CHOICE QUESTIONS
Hydrogen burns in oxygen to form
- hydrogen sulphide
- nitrates
- water
- ammonia
Which metal is preferred for the preparation of hydrogen?
from water?
Which test should be made before collecting hydrogen in a gas jar?
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A monovalent metal
Complete and balance the following reaction.
Fe + 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:
The metal which reacts with steam liberating hydrogen & the reaction is reversible.
How did the name ‘hydrogen’ originate? How does hydrogen occur in the combined state?
State why hydrogen is not prepared in the laboratory by the action of sodium with cold water.
