Mixtures and Solutions
A liquid mixture where one substance is mixed evenly throughout another substance is called a—
Solution
When two or more substances are mixed, which evidence shows that a chemical reaction has occurred?
The formation of a new substance
Particular types of matter with specific characteristics are called—
Substances
A combination of two or more substances where each keeps its own properties and can be easily separated is called a—
Mixture
When baking soda and vinegar are mixed, a chemical reaction occurs, producing a—
Gas
Physical or chemical characteristics used to describe or identify a substance are called—
Properties
Able to be turned the other way around describes a—
Reversible change
When the mixing of two substances causes a temperature change, what has most likely occurred?
A chemical reaction
A chemical change occurs when—
A new substance forms with different properties from the original substances
When two or more substances are mixed but no new substance forms, this is called a—
Physical mixture
Which of the following may be formed in a chemical reaction: water vapor, ice, syrup, or gas?
Gas or a precipitate
A property of a substance observed during a reaction where its chemical composition changes is called a—
Chemical reaction