Advertisements
Advertisements
प्रश्न
Why are the following metals not used in the lab. preparation of hydrogen?
sodium
Advertisements
उत्तर
Sodium reacts violently with acid.
APPEARS IN
संबंधित प्रश्न
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
Hydrogen gas is collected by the downward displacement of water. Give reason ?
Why are the following metal not used in the lab. preparation of hydrogen?
iron
Complete and balance the following reaction.
Fe + HCl →_____________ +___________
Starting from hydrogen gas how would you obtain a basic gas.
Select the correct options for the following statement:
The acid _____ is not Used in the laboratory preparation of hydrogen, using zinc and an acid.
Name an element whsich reacts violently with water at room temperature.
State the reactant added to hydrogen to obtain the respective product in following case.
Water
Give a balanced equation for the following conversion.
\[\ce{MgCl2<-HCl->FeCl2}\]
