Advertisements
Advertisements
Question
Complete and balance the equation:
[General method]
Reactions of metals with steam
Zinc - Zn + H2O → ______+ _______ [g]
Advertisements
Solution
Zinc - Zn + H2O → ZnO + H2 [g]
APPEARS IN
RELATED QUESTIONS
A metal ______ hydrogen in the reactivity series gives hydrogen with ______.
FILL IN THE BLANK
In electrolysis of water, dilute sulphuric acid is added to increase ..................of water.
Give reason for the following:
Purified and dried hydrogen is collected over mercury.
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A monovalent metal
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A divalent metal
Why are the following metals not used in the lab. preparation of hydrogen?
sodium
Complete and balance the following reaction.
Zn + H2O →_____________ +___________
Complete and balance the following reaction.
Fe + H2O →_____________ +___________
Complete and balance the following reaction.
Zn + NaOH →_____________ +___________
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Iron - Fe + 2HCl → ______ + _______ [g]
