Based on the clue 'add this letter to turn ire into something else th...', what is the answer?

Based on the clue 'add this letter to sale it becomes a type of rock', what is the answer? Based on the clue 'add this letter to saturns moon titan you get a r...', what is the answer? Based on the clue 'add this letter to star get something harsh or gr...', what is the answer? Based on the clue 'add this letter to turn all into a place to buy al...', what is the answer? Based on the clue 'add this letter to utter to get a word meaning to ...', what is the answer? Based on the clue 'add this one letter to ology to get the zoology b...', what is the answer? Based on the clue 'add this vegetable to corned beef hash it becomes...', what is the answer? Based on the clue 'add this word to electro to get the adjective for ...', what is the answer?