Four elements W, X
Four elements W, X, Y and Z have atomic number 2,6,16 and 20 respectively. Which of these elements is a metal?
X
W
Z
Y
Correct answer is C
No explanation has been provided for this answer.
P(g) + Q(g) ↔ 3R(s) + S(g) ΔH is negative Which of the following will increase the yield of R?...
The shape of the water molecule is_______? ...
Consider the following reaction represented by the following equation: C\(_2\)H\(_2\) \(^{H\(_...
Which of the following gases will rekindle a brightly splint? ...
Sodium and potassium belong to the same group of the Periodic Table. This is because? ...
Which of the following industrial processes depends on the action of enzymes? ...
Ethene is prepared industrially by ...
The following gases are diatomic EXCEPT ...
The electrode potential in volts of 2H+(aq) / H2(q) system is ...