Select all of the statements that describe deposition. 1 Deposition causes particles to move closer together.

2 Deposition requires the removal of energy.

3 Particles become more loosely arranged as a result of the repulsive forces.

4 Deposition is a chemical change

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Explanation:

  the   balanced   equation   for   reaction of   ca metal   with   o2 to   produce   cao   is as below

2 ca+ o2→ 2 cao2

  explanation

the reaction is   balanced     since the   number of atoms   in reactant side is   equal to   number of atoms   in   product side.   for   example   they   are 2   atom of   ca in   reactant   side   and   2   atoms of ca   in   the product side.

  the   process   is a   meet the   requirement   of   redox   reaction because :     calcium   is   oxidized   from   oxidation state 0   to 2+   while   oxygen   is reduced from   oxidation   state   0   to 2-

the answer is 0.42 is that is an option. this question provides no info