Which of the following pairs of elements forms amphoteric...
Which of the following pairs of elements forms amphoteric oxides?
Be and Mg
Na and K
B and Al
Si and Pb
Correct answer is D
Metal oxides which react with both acids as well as bases to produce salts and water are known as amphoteric oxides.
Many metals (such as zinc, tin, lead, aluminium, and beryllium) form amphoteric oxides or hydroxides.
The mass of an atom is determined by ...
Chlorine is produced commmercially by? ...
Which of the following elements can conveniently be placed in two groups in the periodic table ? ...
Consider the following reaction equation: CuO(s) + H2(g) \(\to\) Cu(s) + H2O(1) Which substance ...
Mineral acids are usually added to commercial hydrogen peroxide to ...