Question

Q.2 (i) Solid substance iron on reaction with bluestone give green colour substance ‘K’. Identify ‘K’ and write the reaction involved. 1 (ii) A yellow colour substance ‘M’ when exposed in the sunlight gives reddish brown gas and a solid grayish colour substance ‘Q’. Identify M & Q, and write the reaction involved.1 Q.3 Colourless substance ‘B’ on heating gives a solid yellow colour substance ‘J’ with brown fumes ‘R’ and oxygen gas. Identify B, J and R. Also write the reaction involved. 2​

Answer 1

Answer:

k is potassium it is an chemical reaction