solution
Air and many alloys are examples of nonliquid solutions. This topic is part of Chemistry within Science & Nature. This page currently draws on 33 supporting questions, with answers and bonus facts available below.
solution trivia questions
A solution is a homogeneous mixture of a solute and what?
Answer: Solvent
Bonus fact: The solute is evenly dispersed.
Salt water is an example of what?
Answer: Solution
Bonus fact: Dissolved salt is distributed at the molecular or ionic level.
Can solutions exist as gases and solids as well as liquids?
Answer: Yes
Bonus fact: Air and many alloys are examples of nonliquid solutions.
On the standard pH scale, an acidic solution generally has a pH below what number?
Answer: 7
Bonus fact: A pH of 7 is neutral at ordinary laboratory conditions; lower values are acidic.
What design process typically includes defining a problem, creating solutions, testing, and what?
Answer: Iteration
Bonus fact: Engineering design improves solutions through repeated testing and refinement.
What happens to red litmus paper in an alkaline solution?
Answer: It turns blue
Bonus fact: Bases turn red litmus blue.
An alkaline solution has a pH generally what relative to 7?
Answer: Above 7
Bonus fact: Alkaline means basic.
How does red litmus paper respond when dipped into a basic solution?
Answer: It turns blue
Bonus fact: Bases change red litmus to blue.
Which ion is associated with basic aqueous solutions?
Answer: Hydroxide ion
Bonus fact: Higher hydroxide concentration is characteristic of basic solutions.
A GPS receiver usually needs signals from at least how many satellites for a full 3D position and clock solution?
Answer: Four
Bonus fact: Four unknowns include three position coordinates and receiver clock offset.
What ion largely determines acidity in aqueous solution?
Answer: Hydrogen ion
Bonus fact: More precisely, hydrated H3O+ ions represent acidity in water.
The pH scale measures how acidic or what a solution is?
Answer: Basic
Bonus fact: pH relates to hydrogen-ion activity.