Steam changes the colour of anhydrous cobalt (II) chlorid...
Steam changes the colour of anhydrous cobalt (II) chloride from
blue to pink
white to red
white to green
blue to white
Correct answer is A
No explanation has been provided for this answer.
The main function of limestone in the blast furnace is to ...
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To obtain pure carbon(ii)oxide from its mixture with carbon(iv)oxide, the mixture should be? ...
Which of the following groups contains entirely linear molecules? ...
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