Which of the following are examples of a chemical change? - Ice melting

- Wood burning

- Getting a haircut

- Dissolving sugar in water

Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as