Podcast
Questions and Answers
What is the pH range for acids on the pH scale?
What is the pH range for acids on the pH scale?
0-6
What is the ability of a metal to be drawn out into wires known as?
What is the ability of a metal to be drawn out into wires known as?
Ductile
What color will litmus paper turn in an alkali?
What color will litmus paper turn in an alkali?
Blue
What is the property of acids that makes them sour?
What is the property of acids that makes them sour?
Signup and view all the answers
What type of solution is formed when an acid and alkali are mixed together?
What type of solution is formed when an acid and alkali are mixed together?
Signup and view all the answers
Why are alloys stronger than pure metals?
Why are alloys stronger than pure metals?
Signup and view all the answers
What is the difference between 24 carat gold and 18 carat gold?
What is the difference between 24 carat gold and 18 carat gold?
Signup and view all the answers
Why are plane wings made with an alloy like Duralumin instead of pure aluminum?
Why are plane wings made with an alloy like Duralumin instead of pure aluminum?
Signup and view all the answers
Why can't coins be made of pure silver?
Why can't coins be made of pure silver?
Signup and view all the answers
What metals are bronze and brass alloys made of?
What metals are bronze and brass alloys made of?
Signup and view all the answers