Sherlock Holmes' Deduction Methods

Sherlock Holmes' Deduction Methods trivia questions

1. What does Sherlock use to analyze tobacco ash from crime scenes?
2. In Series 1, what does Sherlock deduce about John's phone based on his appearance?
3. What specific deduction does Sherlock make about Irene Adler's safe code initially?
4. How does Sherlock determine the killer's profession in 'A Study in Pink'?
5. What does Sherlock's 'mind palace' technique rely on to function effectively?
6. In 'The Reichenbach Fall,' how does Sherlock fake his death using deduction?
7. What obscure detail about a victim's shoe allows Sherlock to identify the killer in 'The Great Game'?
8. How does Sherlock deduce Moriarty's location by analyzing Moriarty's use of media?
9. What specific textile analysis reveals the killer's identity in 'His Last Vow'?
10. How does Sherlock use facial micro-expressions to deduce Eurus's involvement in Series 4?