useless trivia: What Word Means: Alastrim?

Questions

'2112' was the first in a long line of gold and platinum albums for which canadian trio?

'7x' was used to refer to the secret ingredient of which drink?

who sang 'all i want to do'?

'and the big wheel keeps on turning, neon burning up above ..' what is the dire straits song title?

'as free as the wind blows, as free as the grass grows' . what is the song title?