There are a number of threads in D&CA Religion for you to ask questions (particularly quick or specific ones) about a religion.

Ask About Christianity
Ask About Hinduism
Ask About Islam
Ask About Judaism
Ask About Mormonism
Ask About Sikhism
Ask About Paganism

And, of course, the non-religions:

Ask An Atheist/Agnostic (however, for questions about the definitions of atheism/agnosticism, please see The Definitional Thread)