Answer:
Option 3 and 6
Explanation:
If the particle is under the action of only one external force, both its kinetic energy and the velocity must vary.
When the particle is exerted by an external force, then this external force tends to accelerate the particle.
When the particle accelerates, its velocity must vary for that acceleration to occur.
When the velocity of the particle changes then its Kinetic energy must vary with the velocity of the particle.
Answer : The products of this reaction are,
and 
Explanation :
First we have to write the balanced chemical reaction.

In this reaction, 1 mole of copper nitrate react with the 2 moles of sodium hydroxide to give 1 mole of copper hydroxide and 2 moles of sodium nitrate.
This reaction is a double displacement reaction.
Double displacement reaction : A type of reaction in which a positive cation and a negative anion of two reactants react to exchange their places to form two new products.
The general representation of this reaction is,
(X and A are the cations, Y and B are the anions)
Hence, the products of this reaction are, copper hydroxide,
and sodium nitrate,
The reverse of deposition is sublimation and hence sometimes deposition is called desublimation. One example of deposition is the process by which, in sub-freezing air, water vapor changes directly to ice without first becoming a liquid.
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