A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true but (R) is not the correct explanation of (A
C. (A) is true but (R) is not true
D. (A) is not true but (R) istrue
Beryllium shows diagonal relationship with aluminium.Which one of the following similarity is not correct
Which one of the following elements reduces NaOH to Na?
A mixture of sodium oxide and calcium oxide are dissolved in water,and saturated with excess carbon dioxide gas.The resulting solution is.....It contains.......
Which of the following alkali metals has the greatest tendency for the half reaction; M(g) →M<sup>+</sup>(aq) + e