Question

(d) All the bulbs glow During the experiment of heating of ferrous sulphate, four students recorded their observations as: (1) Green colour changes to reddish brown colour (ii) Brownish yellow gas is evolved. (iii) Blue colour change to green colour (iv) Smell of burning sulphur is observed. Which of the above observations are correct? (a) Both (i) and (ii) Both (i) and (iv) (c) Both (ii) and (iii) (d) Both (iii) and (iv)​

Answer 1

Explanation:

During the experiment of heating the ferrous sulphate, four students recorded their observations as(a) green colour changes to

Answer 2

Answer:

(B) (i), (iv)

Explanation:

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