Category: News

What is the pH of Coca Cola?

How acidic is Coke? Its pH is reported to be 2.6 to 2.7, mainly due to H3PO4, phosphoric acid. Is Coca Cola acidic or basic? Coca-Cola is considered to b...

Why are flares red?

The main ingredients of flares include strontium nitrate (which provides the color—it burns with a bright red or orange-red flame), potassium perchlorate...

Is 5K runner free?

5k Runner is $1.99 in the App Store, but there is a free version that includes the first four workouts. Is Couch to 5K runner free? Couch to 5K is for ev...