What is the difference between ALSO and TOO
When we have to use one of these words, and when the other one?
Are there any sentence where we can use indifferently one fo this words?

Thanks.

Question

What is the difference between ALSO and TOO
When we have to use one of these words, and when the other one?
Are there any sentence where we can use  indifferently one fo this words?

Thanks.

Answer

The only difference is in their placement in the sentence. Too is used at the end of a sentence. Also usually goes before the verb or adjective. 
Ex:
He likes chocolate.
◾I also like chocolate.
◾I like chocolate, too.