What is the chemical name for a dentist's "laughing gas"?

More Questions:

What TV evangelist was sent to prison for defrauding followers of his PTL Ministry out of $158 million?

What symbol shares a key with the number 1 on a standard computer keyboard?

What title role was filled by Lon Chaney in 1923, Charles Laughton in 1939 and Anthony Hopkins in 1982?

In Shakespeare's "The Taming of the Shrew', who is the shrew's more desireable sister?

The Gila River flows into what river?

What US city is the home to mile high stadium?

What year was inventor Alexander Graham Bell born in?

What is a bactrian?

Who won an Academy Award in 1970 for directing the film "Midnight Cowboy"?

What 1959 Dave Brubeck Quartet piece borrows its name from its unusual time signature?

What company printed its first mail-order catalog in 1887?

What city hosted the Summer Olympics in 1996?

What is the gravitational field strength on the moon?

In which Canadian city would you find the C.N. Tower?

The town of Whitby in North Yorkshire is situated at the mouth of what river?