How can you tell if yeast is still active?!

Question: How can you tell if yeast is still active!?

I want to bake bread, and the kind I'm making requires yeast, which I have, but it's kind of old and I'm not sure if it's still active!. How can I check to see if it's still active without using up my ingredients for the bread!? I don't want to make a test batch!.Www@FoodAQ@Com

Answers:

put some in warm water with a pinch of sugar,wait 10 min, if it foams, your inWww@FoodAQ@Com

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How can you tell if yeast is still active?!

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