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Powders and Crystals

Across
Combination of 2 or more substance
A substance composed of finely ground or pulverized, loose solid particles
A physical characteristic peculiar to an object or substance, such as size, shape, color, texture, smell test and sound
A indicator chemical that turns yellow in an acidic solution, green in a neutral solution and stays blue in a basic solution
Obtained from citrus fruit or by fermentation of sugar and used as a flavoring and preservative
A mildly acidic liquid that comes from alcoholic solutions of fruits or grains. Used in making pickles and is an indicator for baking soda
The process of determining the chemical makeup of a substance by observing its response to a series of analytic tests
A highly reactive, poisonous, chemical element found in rocks, soil, and seawater and in some seaweeds. an indicator for starch
A substance with a pH higher than 7. Bitter to taste and slippery to touch
Substance that, by change of color, can be used to show the presence of a particular substance or the acidic or basic nature of a chemical
To mix a substance into a liquid in an evenly distributed way, so that it is usually no longer visible as a separate substance
Down
A solid form of a substance that has a regularly repeating internal arrangement of atoms or ions that result in a particular shape
An educated guess of something that will happen
A homogeneous mixture in which one substance is dissolved in another
The acidity of a substance measured on a scale of 1 to 14
A tiny piece of something
Calcium sulfate, a mineral that in powder form changes and hardens when mixed with water
Neither acidic or basic
Having properties of an acid
To change from a solid to a liquid state