Oxidation is when a substance gains oxygen molecules. For example when hydrogen reacts with oxygen it forms H₂O. The H₂ has been oxidised.
Answer:
The relationship between the volume and temperature of a given amount of gas at constant pressure is known as Charles's law in recognition of the French scientist and balloon flight pioneer Jacques Alexandre César Charles.
Explanation:
Answer :
(A) 
: It is soluble in water.
(B) 
: It is insoluble in water.
Explanation :
Solubility : It is defined as the amount of solute dissolved in a solvent at a given temperature.
According to the solubility rules:
All chlorides are soluble except 
All sulfates are soluble except 
From this we conclude that,
(A) : It is soluble in water.
(B) : It is insoluble in water.
I believe the cup within another would keep it warm the longest because it would insulate the heat within the main cup, that or you could just leave it in a microwave ^-^
Hope this sorta helps XD
Answer:
he composition of matter is invisible particles called atoms.
Explanation:
I'm sure its correct
