Answer:
I am black when you buy me, red when you use me. When I turn white, you know it's time to throw me away. What am I?
I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat and your heart grow cold. I visit the weak, but seldom the bold. What am I?
I have an eye but cannot see. I take time to generate and can dissipate in seconds. What am I?
I sleep by day, I fly by night. I have no feathers to aid my flight. What am I?
I am gold and can be black and white I'm a symbol for a nation when freedom took flight.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?