The phrase "on the table" means someone or something is literally "on" the table. Saying "at the table" means beside, or alongside. So the sentence, There was a chaos on the table, is incorrect. Use "at" instead of "on".
Examples of "on":
Examples of "at":
She sat at the table.
The couple stood at the table while their family toasted them.
Standing at the table, we could see name cards sat above each place settings.
No, it is not correct. You can not use articles before chaos.
With the exception of capitalizing the first letter of the sentence and a period at the end, the sentence is correct.
Yes a pile of books is correct, you can also have a stack of books or a bundle of books
Yes, the sentence "Tomatoes were smashed on the table" is grammatically correct. It conveys the action of tomatoes being smashed on the table.
There was chaos in the cafeteria at lunch.
I has taken a pen who left on the table yesterday.
No, it is not correct. If the treats are on the table, you should write: 'Do not give the dog any food or treats from the table.' If the treats are not on the table, you should write: 'Do not give the dog any food from the table, nor any treats.' As it stands, the sentence means that some of the food is on the table and some of it is on the treat.
There is lot of chaos in Egypt these days.
Here is an example sentence for 'chaos':The hurricane knocked down the buildings and caused a power cut, resulting in total chaos.
Yes, "chaos" is the correct spelling.
There is chaos among us.
There is chaos when people are getting on a train!
Everyone was shouting-it was chaos!