Many other oxyanions form complexes; these include copper(II) acetate, copper(II) nitrate, and copper(II) carbonate. Copper(II) sulfate forms a blue crystalline pentahydrate, the most familiar copper compound in the laboratory. It is used in a fungicide called the Bordeaux mixture.
CBSA has tools available to avoid border wait times at our 26 busiest land border crossings. The Current Border Wait Times table displays wait times for reaching the CBSA primary inspection booth when crossing the Canada/U.S. land border and is updated hourly. [More]
The new requirements for Canadian Citizenship have been in force since June 11, 2015. One of the most important changes is the requirement that an individual must now be physically in Canada for four years over a six-year period. The old rule was physical presence in Canada for three years out of a four-year period.