Science of Chemistry
Anything that is called organic is healthy and safe. (True or False)
False
Any substance that occupies space and has mass called?
Matter
What is the basic unit of matter?
Atom
What does pH stand for?
Potential hydrogen
What are the three stages of matter?
Solid, liquid, and gas
What is the study of substances that do not contain carbon but may contain hydrogen?
Inorganic chemistry
Everything that is made out of matter is ...
chemical
How any element are known today?
118
What does the pH scale measure?
Acidity and alkalinity of a substance
What is the study of substances that contain the element carbon?
Organic chemistry
Synthetic fabrics are an example of organic or inorganic substance?
Organic
What does not occupy space or have mass?
Energy
What is a substance that adds hydrogen to chemical compound or subtracts oxygen from the compound?
Reducing agent
What does acids do to the hair cuticle?
Contract and close
What are chemical reactions that release a significant amount of heat?
Exothermic reactions
The term organic does not mean natural. (True or False)
False
What is the rapid oxidation of a substance accompanied by the production of heat or light?
Combustion
What are liquids that are not capable of being mixed together to form stable solutions called?
Immiscible
What term means multiples of 10?
Logarithm
What is another term for sodium hydroxide?
Lye
What substances burn and what substances do not burn?
Organic burn and inorganic does not burn
What are sweet, colorless, oily substances called?
Glycerin
_______ stands for chemical reaction.
Redox
What is the separation of an atom or molecule into positive and negative ion called?
Lonization
What does VOCs stands for?
Volatile organic compounds