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Compound & mixture
Question | Answer |
---|---|
Vince is baking a cake. He pours flour and sugar into an empty bowl. The substance in the bowl is a(n) __________. | Mixture |
Atmosphere is example for.....Mixture? Compound? | Mixture |
Another word for "basic" is | Alkaline |
Litmus paper can be used to determine the _______ of a substance. | Relative pH |
A solution is tested and found to have a pH of 1. The solution is | Strongly acidic |
How many elements are found in the following chemical equation? K + Cl → KCl | 2 |
What are the solute and solvent in ocean water? | Salt is the solute. Water is the solvent. |
If a chemical is spilled on the floor of a lab, what is the safest way to determine if it is an acid? | Use litmus paper |
The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been? | 9 |
Katlyn makes a gelatin dessert. She pours hot water into the flavored gelatin powder and stirs. What are the solute and solvent in this solution? | Gelatin powder is the solute. Water is the solvent. |
Which of the following is a property of an acid solution? | pH less than 7 |
Drain cleaner has a pH of about 14. How can it be classified, based on its pH? | It is a very strong base. |
The _______ of a substance is the amount of that substance that can dissolve in a certain amount of a given solvent. | solubility |
Part of a neutralization reaction between an acid and a base is shown below. What is the second product of the reaction? | Salt |
NH3 is an example of | Compound |