Choose the correct answer:
1. In the given equation, identify 'X'.
\(Al + dil.HCl → AlCl_3 + X\)
\(Al + dil.HCl → AlCl_3 + X\)
2. Which metal produces hydrogen gas when it reacts with very dilute nitric acid, even though nitric acid typically does not release hydrogen gas during its reaction with metals?