Question

05)
10 ml of freshly prepared iron sulphate solution was taken in each of four test tubes I
II, III and IV. Strips of copper, iron, zinc and aluminium were respectvely introduced
in the test tubes I, II, III, and IV. A black residue was obtained in two of them. These
test tubes are
Feso
-F250
FeSO4
Feso
Cu
Fe
Zn
AI
1. III
(b)
I, IV
HII
to)
II. IV
IV
d)
III,IV

Answer 1

Answer:

Explanation:Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light. On Earth, sunlight is scattered and filtered through Earth's atmosphere, and is obvious as daylight when the Sun is above the horizon