Misc Questions ?

1. How did Tom learn about Horcrux ?(when books related to Horcrux is not at Hogwarts),

and the address on the 'Tom Riddle's Dailry' points to that place where Tom learned about Horcrux Here is the excerpt from 'Chamber of Secrets' "......back cover of the book and saw the printed name of a variety store on Vauxhall Road, London.“He must've been Muggle-born,” said Harry thoughtfully......"

2. How to destroy a Horcrux ?

3. Who and How the slytherin ring (one of the Horcrux) is destroyed ?

4. Who is R.A.B ? (i guess this qstn is answered in one of the blogs but i keep this as open qstn) ?
5. In 'Prisoner of Azkaban' DD said to Harry that "... the time may come when you will be very glad you saved Pettigrew's life.”, the time hasn't come yet, may it is in the 7th book this is revealed ?

6. What reason snape has given to DD, that made DD feel that Snape is loyal ?

7. Did DD planned his own death with the help of snape so tat snape can win confidence of Voldie and kill voldomort ?