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?'s Chem.Sci.Test

Questions for my Chemistry Science TEST!!!

What is a pH scale? Is a way to measure how acidic or basic a solution is.
What is the pH range of a solution? 0 to 14
How can acids be identify? 1. Sour taste 2. Reactions with some metals 3. Reactions with bases.
How can bases be identify? 1. Bitter Taste 2. Slippery feel 3. Reactions with acids.
What is a neutral solution? A neutral solution is neither an acid or a base. Ex: Water
What are Indicators? Used to determine the pH of a solution.Determines whether a solution is acidic, basic or neutral. Ex: Litmus paper,Phenolphthalein, and pH paper.
What is a Chemical equation? A balanced chemical equation has the same # of each kind of atom on the reactant side as on the product side.
What are Coefficients? They are the #’s that come before the chemical formula and indicate the # of particles that participate in the reaction.
What does no subscript mean for a element? If there is no subscript then there is only one atom in that element.
What do subscripts show/represent in a chemical formula? It shows how many atoms are for that element.
Created by: 10014044