3
4
6
8
Correct answer is B
No explanation has been provided for this answer.
Which of the following solids would not decompose on heating? ...
Which of the following elements can conveniently be placed in two groups in the periodic table ? ...
In an electrolytic set-up to protect iron from corrosion, the iron is? ...
Which group of elements forms hydrides that are pyramidal in structure? ...
The mixture of gases used in a photographer's flash tube is? ...
Consider the following ionic equation: Cr2O72- + 14H+ + ne- → 2Cr3+ + 7H2O. The value of n i...