Concave is not a type of mechanical wave because it doesn’t need a medium for propagation.
Answer: On losing 6 moles of water, cobalt chloride forms unstable violet-coloured ions, before generating its stable blue-coloured anhydrous form.
Explanation:
The hydrated cobalt chloride loses its 6 water of crystallization, then dissociates into ions: cobalt ions and chlorine ions that appear violet, and quickly combined to form the stable anhydrous Cobalt chloride with blue colour.
Probably ion with a positive 1 charge.
Explained briefly
Answer:
True
Explanation:
I think this is a helpful for you
The answer would be C. Pb
