Question

2.3 A, D, Land Q are 4 metals and H = hydrogen. L can be displaced by A
from its sulphate salt. Among these 4 metals Q is the only metal
which catches fire when in contact with water and D is the only
metal which cannot liberate hydrogen from dilute hydrochloric acid
Arrange the metals according to the decreasing order of their
reactivity with respect to hydrogen (Indicating the position of metals
along with hydrogen)
​

Answer 1

Answer:

plz follow me ......plz.....

Explanation:

..