Question

Explain with suitable reasons:-(Write chemical equation also)
a) Silver bromide is become kept in dark coloured (brown coloured bottles)
(b) Iron nails become brownish and then blue in colour when kept in copper sulphate solution
c) Sodium sulphate reacts with barium chloride solution, a precipitation reaction takes place.
(d) Calcium oxide reacts vigorously with water to form slaked lime.
el Carbohydrates broken down to form glucose combine with oxygen in cell provide energy.​

Answer 1

Answer:

D IS CORRECT ANSWER.....

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