water turns the colour of anhydrous copper sulphate from what to what?
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water turns the colour of anhydrous copper sulphate
The color of anhydrous copper(II) sulphate is white when we remove the water of crystallization from hydrated copper(II) sulphate by heating . Condensing the vapor produced in a second test-tube which collects the water, the white anhydrous copper(II) sulphate is then re-hydrated and theblue color returns.
The color of anhydrous copper(II) sulphate is white when we remove the water of crystallization from hydrated copper(II) sulphate by heating . Condensing the vapor produced in a second test-tube which collects the water, the white anhydrous copper(II) sulphate is then re-hydrated and theblue color returns.
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Answer:
blue
Explanation:
The given organic compound is mixed with dry copper oxide (CuO) and heated in a hard glass tube. The products of the reaction are passed over (white) anhydrous copper sulphate and then bubbled through lime water. If copper sulphate turns blue due to the formation of CuSO
4
.5H
2
O (by water vapor) then the compound contains hydrogen. If lime water is turned milky by CO
2
, then the compound contains carbon
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