1) I am blue in color. There is water in my body. If heat is supplied to me , I turns in white powder. Identify who am I? and write my chemical formula
Answers
Answer:
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Water, a substance composed of the chemical elements hydrogen and oxygen and existing in gaseous, liquid, and solid states. It is one of the most plentiful and essential of compounds. A tasteless and odourless liquid at room temperature, it has the important ability to dissolve many other substances.
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4 molecules of crystallization. At 230
o
C, it loses 5
th
molecules of water and becomes white amorphous powder. The powder again becomes blue in presence of water. It undergo dissociation on strong heating.
CuSO
4
5H
2
O
100
o
C
CuSO
4
.H
2
O+4H
2
O
Pentahydrated Monohydrated
copper sulphate copper sulphate
CuSO
4
.H
2
O
230
o
C
CuSO
4
+H
2
O
Anhydrous copper
sulphate
CuSO
4
730
o
C
CuO+SO
3
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