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Q: What happens to a metal atom when a splint soaked with chloride and placed in a flame and color is produced?
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What is cobalt chloride paper in simple terms?

Cobalt chloride paper is absorbent paper which has been soaked in cobalt chloride solution and allowed to dry. It is a convenient way to use cobalt chloride as a test for the presence of water. When cobalt chloride is anhydrous, that is completely without water, it is blue, but when there is water present, either in solution or in the solid, it is pink. To use cobalt chloride paper it is heated to drive off the water present, until it turns blue. You then dip it into the liquid you want to test. Water,or any liquid such as milk which contains water, will turn the paper pink (it may look white if there's not much cobalt chloride on it). Other liquids, e.g. gasoline, will have no effect.


Can mongo seed be separated by filtration?

Mongo seeds are not separated by filtration. They are soaked in water for a few hours to allow the seeds to swell. They are then removed from the water and placed in a container so they can germinate.


Can be separated by filtration the mongo seeds?

Mongo seeds are not separated by filtration. They are soaked in water for a few hours to allow the seeds to swell. They are then removed from the water and placed in a container so they can germinate.


What happens to energy when matter undergoes chemical or physical change?

Energy can either be soaked up by the matter in the process of making the change (melting), or be released from the matter during the change (fire).


Why do metals corrode?

because we keep metal next to chemicals that corrode them. Metals like iron naturally corrode in water. Other metals can be made to corrode using chemicals.