new block 5 chapter 7 basic of chemistry

when a substance is combined with oxygen the substance is

when fermented to make wine the sugar in grapes is converted into

a special type of oil used in nail polish dryers and as a skin protectant is

what type of change occurs when ice melts and becomes water

an alteration of the properties of a substance without the formation of a new substance is a

the branch of chemistry that deals with products that do not contain carbon is called

the formation of a new product by the uniting of two or more elements is known as

a combination of substances that are held together by physical rather than chemical ties is called a

when two or more atoms are joined together chemically what is created

when two or more elements combine chemically they form a new substance called a

a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound is known as

there are about ____ naturally occurring elements

____ organic compounds are substances containing carbon that evaporate very quickly and easily

liquids that mix easily are known as

another name for alkalis is

the smallest particle of an element is the

the separating of a substance into ions is known as

pure water with a pH of 7 is considered to be

a chemical reaction in which oxygen is subtracted from or hydrogen is added to a substance is called

the head of a surfactant molecule is ____ meaning water loving

substances that cannot be reduced to simpler substances are called

temporary mixtures of two kinds of matter are

the preparation made by dissolving a solid liquid or gaseous substance in another substance is

if a product has a pH of 8.9 it is considered

in creating a solution the liquid used to dissolve a substance is called the

organic chemistry is the study of all substances containing

substances that act as a bridge to allow oil and water to mix or emulsify are

the tail of a surfactant molecule is ____ meaning oil loving

____ are substances used to neutralize acids

a molecule is formed by joining two or more ____ chemically

anything that occupies space and exists in either a solid liquid or gas form is known as

a permanent mixture of two or more substances that are united with the aid of a binder is

redox is a contraction for