A 25 years female was found in room with 1000/0 burns on her body. The tongue was protruding out; body was in pugilistic attitude with heat ruptures, peeling of skin, and heat haematoma and heat fractures of skull. Carboxy hemoglobin was 250/0 and soot paicles were present in trachea. Which of the combinations of two findings will establish that the burns were antemoem in nature: