If one of the following oxides is heated with hydrogen or...
If one of the following oxides is heated with hydrogen or carbon using a bunsen burner, it is not reduced to the metal. Which one is it?
Lead oxide
Magnesium oxide
Copper oxide
Tin oxide
Iron oxide
Correct answer is B
No explanation has been provided for this answer.
Which of the following species has the largest ionic radius ...
The functional groups present in the compound above are ...
The following are uses of sulphur except...
The number of moles of solute present in 1 kg of a solvent is called its ...
What is the atomic number of Curium? ...
The final product of the reaction of ethyne with hydrogen iodine is? ...