That depends on the judge. Normally in the US the mother is given custody. Although there is a trend of joint custody. It's no different than being married to a US citizen. My sister was married to Canadian and she was given full custody. It is always best to work out the arraingment with the ex.
It would probably be easiest in the country where you were married. Also, if everybody is in agreement, get an "uncontested" divorce. They are much easier and cheaper.
Probably Singapore, but check with a Lawyer, you don't want to make a mistake. "I thought I was divorced...."
no
No!
Go to canida and get divorced
No, you can file for divorce in whatever jurisdiction or country you are currently living in.
Consult with an attorney who specializes in divorce, who can review your situation in detail and explain your options.
No, they cannot. The Canadian spouse must sponsor the immigration. After living 3 years out of the past four years in Canada, then they can apply for Canadian citizenship.
As long as you are living in Canada and have citizenship you qualify for health care.
Yes you can.
Yes, he does. He is a Canadian citizen living in the US.
In proper english, yes. If you're really a Canadian citizen then you'd have a Canadian passport. The only reason you wouldn't be allowed to leave Canada is to go to certain 3rd world or war-torn countries. The American government can't stop you from leaving Canada if you're a Canadian citizen.