Advertisements
Advertisements
प्रश्न
Complete and balance the equation:
[General method]
Reactions of metals with steam
Aluminium - 2Al + 3H2O → ______+ _______ [g]
Advertisements
उत्तर
Aluminium - 2Al + 3H2O → Al2O3 + 3H2 [g]
APPEARS IN
संबंधित प्रश्न
MULTIPLE CHOICE QUESTIONS
Hydrogen burns in oxygen to form
- hydrogen sulphide
- nitrates
- water
- ammonia
Give reason for the following:
The end of the thistle funnel should be dipped under acid.
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A divalent metal
Hydrogen may be prepared in the laboratory by the action of a metal on an acid.
Which of the acids dilute sulphuric, concentrated sulphuric, dilute nitric acid and concentrated nitric acid would you choose? Explain why you would not use the acids you reject.
Starting from hydrogen gas how would you obtain a metal by reduction of its heated oxide.
Select the correct options for the following statement:
The metal used as a catalyst in hydrogenation of oils.
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Calcium - Ca + H2O → ______+ _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Iron - Fe + 2HCl → ______ + _______ [g]
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen sulphide
Give a balanced equation for the following conversion.
\[\ce{KAlO2<-KOH->K2ZnO2}\]
