Answer :
(a) The name of 
is, potassium dichromate.
(b) The name of 
is, lithium oxalate.
(c) The name of 
is, copper nitrate.
Explanation:
Ionic compound : It is a type of compound that is made up of the ions of the two different elements in which one element is a metal and another element is a non-metal.
(a)
The given compound is an ionic compound. It is made up of two different ions which are potassium ion 
and dichromate ion 
.
So, the name of is, potassium dichromate.
(b)
The given compound is an ionic compound. It is made up of two different ions which are lithium ion 
and oxalate ion 
.
So, the name of is, lithium oxalate.
(c)
The given compound is an ionic compound. It is made up of two different ions which are copper ion 
and nitrate ion 
.
So, the name of is, copper nitrate.
Answer: Scientific reasoning
Explanation:
A scientific reasoning can be defined as the justification which connects the evidence with that of the claim and it rules out all those claims that are not supported by any evidence. It explains the fact that how evidence can support a claim and scientifically acceptable conclusion can be drawn. An argument is always based on one or more claims which can either be true or evidentially proved.
