Question

(will fan) Which statement explains the process of a chemical reaction?

A.Reactants react to produce new substances known as products.

B.Products combine to produce new reactants.

C.Substances are mixed together, producing a homogeneous mixture.

D.Substances are mixed together, producing a heterogeneous mixture.

Answer 1

I won't say C

Answer 2

A chemical change occurs when the actual composition changes—that is, when one substance is transformed into another. Chemical change requires a chemical reaction, a process whereby the chemical properties of a substance are altered by a rearrangement of the atoms in the substance.


Read more: http://www.answers.com/topic/chemical-reaction#ixzz2Ko8SBFmX

Answer 3

D.? my notes say
Chemical Reactions
When you mix certain substances, a reaction can occur and form new substances. Reactants are the substances that are mixed to react with each other. Products are the substances produced by the chemical reaction. Energy is always involved in chemical reactions. An exothermic is the name for a chemical reaction that releases energy. An endothermic is the name for a chemical reaction that absorbs energy. There are many different types of chemical reactions. Decomposition is t breaks down into different products. Precipitation is the name for the process in which a solid product forms during a reaction involving a liquid reactant.

Answer 4

forget D, I say a

Answer 5

I think it's A as well.

Answer 6

My test just changed the words around...

Answer 7

thanks @ablakely0915, again :)