それは焼いてあるのですか。

that (indicating an item or person near the listener, the action of the listener, or something on their mind); it; that time; then; there (indicating a place near the listener); you

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

to burn; to roast; to broil; to grill; to bake; to toast; to barbecue; to heat; to heat up; to make (charcoal, pottery, bricks, etc.); to bake; to fire; to burn; to tan (i.e. suntan); to burn; to print (a photo); to burn (an optical disc); to be jealous of; to be envious of; to envy

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

be; is

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way