Q: A voltaic cell uses what type of reaction to generate an electric current Choices: - spontaneous catalyst - chemical reaction - instantaneous redox - spontaneous redox A:
spontaneous redox

Q: What do you call a simple machine consisting of a sloping surface that connects lower and higher elevations? Choices: - lever - wedge - jack - inclined plane A:
inclined plane

Q: What is the white solid that forms on corroded battery terminals? Choices: - ammonia sulfate - copper sulfate - straight sulfate - lead sulfate A:
lead sulfate