| Chemistry 12 Provincial Exam Keys | Jan | April | June | August |
| 1994 | 9401 | 9406 | ||
| 1995 | 9501 | 9504 | 9506 | 9504 |
| 1996 | 9601 | 9604 | 9606 | 9608 |
| 1997 | 9701 | 9704 | 9706 | 9708 |
| 1998 | 9801 | 9804 | 9806 | 9808 |
| 1999 | 9901 | 9904 | 9906 | 9908 |
| 2000 | 0001 | 0004 | 0006 | 0008 |
| 2001 | 0101 | 0104 | 0106 | 0108 |
| 2002 | 0201 | 0204 | 0206 | 0208 |
| 2003 | 0301 | 0304 | 0306 | 0308 |
| 2004 | 0401 | 0404 | 0406 | 0408 |
| 2005 | 0508 | |||
| 2006 | 0608 | |||
| 2007 | 0708 | |||
| 2008 | 0808 |