Which of the following elements react with steam to produce H2 gas?

Related Mcqs:

The properties of an element mosly corresponds to that isotope which has greater_________________?

A. Mass number B. Atomic mass C. Relative abundance D. all of the above...

The mass of decimole of electrons (NA) is___________________?

A. 1.008 mg B. 0.184 mg C. 0.054 mg D. 5.4 mg...

Which statement is consistent with Hunds rule ?

A. Electrons fill orbitals with parallel spins until all the orbitals of the same energy are half filled then they go into sub-shells with anti-parallel (opposite) spin. B. The electrons in the same atom cannot have the same four quantum numbers C. There is maximum of two electrons is an orbital. D. None...

At which electrode the reduction of the solution is occurring in Al-Ag cell_____________?

A. A B. Ag C. Both D. Neither...

Which of the following elements has greater 1st ionization energy__________________?

A. B B. C C. N D. O...