A scientist mixes an unknown powder into a beaker of water. He then uses an indicator and finds that the pH of the resulting solution is 8.5. What can he infer from this observation?
The unknown powder was acidic.
The unknown powder decreased the hydrogen ion concentration of the water.
The indicator used can measure only basic solutions.
The powder contains hydrogen ions.
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A scientist mixes an unknown powder into a beaker of water. He then uses an indicator and finds that the pH of the resulting solution is ...” in 📘 Physics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
How much force is necessary to stretch a spring 0.5 m when the spring constant is 190 N/m
Answers (2)
Photons travel outward from a light bulb in
Answers (1)
A book is sitting on a table, completely still. What would happen if gravity suddenly stopped affecting the book? A. The book would move upward. B. The book would stay where it is. C. The book would fall. D. The book would move sideways.
Answers (1)
Which law states that for any closed loop, the sum of the length segments times the magnetic field in the direction of the segment is proportional to the electric current enclosed in the loop? A. Ohm's Law B. Faraday's Law C. Ampere's Law D.
Answers (1)
A lab cart is loaded with different masses and moved at various velocities
Answers (1)
New Questions in Physics
How was the water filtered to remove debris and living organisms?
Answers (1)
What causes physical vibrations in transformers at twice the frequency of the AC power involved.
Answers (1)
Projectile motion is a combination of which two types of motion? parabolic and curved straight and diagonal horizontal and vertical constant and linear
Answers (2)
If a mass of a material is 100 grams and the volume of the material is 15 cm3, what would the density of the material be?
Answers (1)
After three half-lives of an isotope, 1 billion (one-eighth) of the original isotope's atoms still remain in a certain amount of this element. How many atoms of the daughter product would you expect to be present?
Answers (1)