Question

5. रामः अनुजेन सह वनम् अगच्छत् Samas Karo ​

Answer 1

Answer:

the substance is hydrated salts like copper sulphate pentathlete formula is CuSO4.5H2O .this compound is blue in colour but unhydrated from is very white phenomenon is that crystal of hydrated salt  are heated they lose colour of crystallization which is responsible for colour when it is left to cool it absorb moisture from air and again gain it's water for crystallization and also it's colour

Explanation: