Which substance has the chemical formula HCl?

More Questions:

How many symphonies did Ludvig van Beethoven compose?

Which fairytale character slept for 20 years?

What German composer was played by Gary Oldman in the film "Immortal Beloved"?

Where is Pennsylvania Station?

Where in England is the Stonehenge monument located?

What is the official state tree of California?

The Golden Gate Bridge is located in what city?

What is the name of Alan's ex-wife on the TV show "Two and a Half Men"?

Which popular artist was born Gordon Matthew Thomas Sumner?

What 1989 hit single contained the following line "People lined up outside just to get down"?

What animated TV show featured characters that repeatedly said "Helllloooo Nurse!'

Robert Plant was the lead singer for what rock band from 1968 to 1980?

In the movie It's a Wonderful Life, what did George dream of becoming?

What does the Latin word "circa" before a date mean?

Who was assassinated by James Earl Ray?