1. An acid is a substance that has a pH value that is lower than 7. A base is a substance that has a pH that is greater than 7. Citric acid commonly present in sour foods. Which one of these might be the pH of a citric acid solution?
pH=3.2
pH=7.0
pH=10.3
pH=14.0
2. Which mixture is homogenous?
Salt stirred together with sugar
Sugar dissolved in water
water droplets scattered in the air to form fog
dirt suspended in water
3. Which mixture is heterogeneous
salt dissolved in water
air
metal ally
tossed salad
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “1. An acid is a substance that has a pH value that is lower than 7. A base is a substance that has a pH that is greater than 7. Citric acid ...” in 📘 Chemistry 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
To make its second-highest energy level be its valence energy level (being filled with an octet of electrons) and possess a more stable electronic arrangement, a strontium atom could form an ionic bond with two oxygen atoms.
Answers (1)
In the equation Ca (s) + 2H2O (l) - ->Ca (OH) 2 (aq) + H2 (g), list each element used as a reactant, and tell how many atoms of each are needed for this reaction.
Answers (1)
When a neat, ordered chemical is changed into a more chemical, there is an increase in what?
Answers (1)
What would you need to do to calculate the molality of 10 mol of naci in 200 mol of water
Answers (1)
What can be explained by the Arrhenius theory?
Answers (1)
New Questions in Chemistry
Which of the following is not true of science? 1. Science offers proof of a claim 2. Science is a way of knowing 3. Science is a process 4. Science provides support or fails to provide support to claim
Answers (1)
What happens to the velocity of a sound wave in air if the temperature of the air increases
Answers (1)
Determine the [oh-] concentration of a 0.741 m koh solution at 25°c.
Answers (1)
In the lab, students decomposed a sample of calcium carbonate by heating it over a Bunsen burner and collected carbon dioxide according to the following equation: CaCO3 (s) CaO (s) CO2 (g) (a) How many mL of carbon dioxide gas were generated by the
Answers (1)
J. J. Thomson A) Electrons are in orbital levels. John Dalton B) Atoms are the smallest unit of an element. Ernest Rutherford C) Electrons are scattered within the atom. Niels Bohr D) Protons are at the center of an atom.
Answers (1)