Category: News

Who invented 8-track?

Bill Lear 8-track tape/Inventors William Powell Lear, founder of Learjet, invented and patented the 8-track tape and its corresponding player in 1963, whe...

How do you test for anion?

Tests for anions dissolve a small sample of the solid salt you are testing in water. place approximately 10cm 3 of the solution into a test tube. add four...