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19 Oct 2021

Given information

A theory is an explanation of a particular aspect of the natural world, based on the repeatedly confirmed experiment.

 

Testing of a theory by an experiment is an observation.

 

Law and theory are predefined situations described by a scientist for the reasoning of an undefined phenomenon.

 

Step-by-step explanation

Step 1.

‘When iron rusts in a closed container, the mass of the container and its contents do not change’ is an observation.

The given statement is a phenomenon that is only sensed and it does not represent the conclusion out of it

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Principles of Chemistry Molecular Approach
3rd Edition, 2014
Tro
ISBN: 9780321971944

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