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.
Which of the following electronic structures belongs to a noble gas? ...
What is the atomic number of Aluminum? ...
When sodium is added to ethanol, the products are? ...
Ethene is produced from ethanol by ...
The compound above contains ...
Detergents have the general formula? ...