pH Levels

Welcome to the "pH Levels" category on Questions LLC! Here, you will find a wealth of information and discussion surrounding the fascinating world of pH levels. Whether you are a curious student, a science enthusiast, or someone looking to maintain a healthy lifestyle, this category is bound to captivate your interest. Dive into the realm of acidity and alkalinity as we explore the theory behind pH levels, their measurement, and their importance in various fields such as chemistry, biology, and everyday life. Join the conversation, ask your burning questions, and expand your knowledge about pH levels with our dedicated community of experts and curious minds.

Questions (46)

21. Classify the following solutions in order of increasing pH:a. 0.01 M NaOH b. pure water c. 0.10 M HCl d. 0.05 M NaOH e.
1. 2 answers
2. asked by scilover
3. 621 views
Question: Why are "apparently" small changes in pH so important in Biology?Answer: pH levels are each a 10-fold change so a
1. 2 answers
2. asked by lizzie
3. 1,200 views
Besides water, what else has neutral pH?
1. 1 answer
2. asked by physics grade 9
3. 62 views
A student measured the time required for a protein sample to be completely digested in the presence of an enzyme under different
1. 2 answers
2. asked anonymously
3. 83 views
The pH level of a popular shampoo is between 6.0 and 6.5 inclusive.What compound inequality shows the pH levels of this shampoo?
1. 3 answers
2. asked by sakina
3. 1,850 views
While contrasting the pH values of two distinct foods, Beth discovered that apple juice falls within a pH range of 3.35 - 4.0,
1. 3 answers
2. asked anonymously
3. 41 views
This is a pH chart of common materials.Which substance is the most basic? a Cheese b Cola c Bleach d Baking Soda
1. 3 answers
2. asked anonymously
3. 39 views
1. Acidic isa. pH greater than 7 b. pH less than 7 *** c. alkaline d. pH equal to 7 2. An Arrhenius acid is a a.proton donor
1. 1 answer
2. asked by help me
3. 458 views
Which solution has a pH that is closest to neutral?(1 point)hand soap milk saliva chicken soup
1. 3 answers
2. asked anonymously
3. 32 views
A small amount of sodium hydroxide is added to water. When the chemical reaction reaches equilibrium, the pH is 12. Which
1. 5 answers
2. asked anonymously
3. 70 views
The list shows three substances and their chemical natures. Substance-Chemical Nature, milk of magnesia-basic, distilled
1. 3 answers
2. asked anonymously
3. 71 views
order these highest PH to the lowest PHCa(OH)2(aq) HCN(aq) NH3(aq) LIOH(aq) HCI(aq)
1. 1 answer
2. asked by Sara
3. 384 views
Lye is a strong base and ammonia is a weak base. Give me a scenario where the pH of an ammonia solution is lower than the pH of
1. 3 answers
2. asked anonymously
3. 51 views
what ph level is sulphur Dioxide, I want to put it in my mixture of 4 TB of basic violet 14 and 20 lt of water, but do not want
1. 1 answer
2. asked by Dionne
3. 375 views
experment to determine the PH in different samples need in our daily life.CBSE 9 class its holiday homework plzz tel
1. 1 answer
2. asked by flash
3. 335 views
Which of the following correctly lists the substances from highest to lowest pH?A. lemon juice, distilled water, milk of
1. 3 answers
2. asked by 7288
3. 51 views
Which of the following substances is most acidic?a rain water with a pH of 5.5 b blood with a pH of 7.4 c sea water with a pH of
1. 3 answers
2. asked anonymously
3. 28 views
Water,Shampoo,and Milk's pH are tested neutral. Why is this a good thing?
1. 1 answer
2. asked by Elizabeth
3. 306 views
Match the pH to its descriptionColumn A 1. pH above 7 2. pH below 7 3. pH of 7 Column B A. acidic B. basic C. neutral
1. 3 answers
2. asked by Name
3. 61 views
Identify whether each of the following solutions is acidic, basic, or neutral.Drag the appropriate items to their respective
1. 3 answers
2. asked anonymously
3. 29 views
Tough pH question #2 answered on page 2 a/o midnight CDT. It will continue to move as time marches. I hope you see the post.
1. 1 answer
2. asked by DrBob222
3. 444 views
Which of the following occur when the pH of an aquatic ecosystem increases?
1. 1 answer
2. asked by ...
3. 75 views
Lila tests the pH of 4 solutions. Which solution should she identify as being a base?A. ph level 2 B. ph level 5 C. ph level 7
1. 1 answer
2. asked anonymously
3. 33 views
6). Which solution has the lowest pH?A) 1.3 X10–8 M –OH B) 1.0 X 10–7 M –OH C) 5.1 X10–5 M –OH D) 3.9 X 10–8 M
1. 2 answers
2. asked by denis
3. 1,064 views
Which of the following is the pOH range of gastric acid?A. 1.5 to 3.5 B. 10.5 to 12.5 C. 1.5 to 2.5 D. 6.5 to 7.5
1. 1 answer
2. asked by logan
3. 893 views
What is the pH of a saturated zinc hydroxide solution?
1. 2 answers
2. asked by Julian
3. 884 views
Match the pH to its description.Column A 1. pH above 7: pH above 7 2. pH below 7: pH below 7 3. pH of 7: pH of 7 Column B
1. 25 answers
2. asked anonymously
3. 95 views
A solution with pH = 4 has1. relatively high concentration of OH- 2. relatively low concentration of H3O+ 3. relatively high
1. 3 answers
2. asked by nan
3. 851 views
Which solution below has the highest concentration of hydronium ions?pH = 9.82 pH = 12.6 pH = 7.93 pH = 3.21 pH = 7.00
1. 1 answer
2. asked by DrewS
3. 712 views
Arrange each group of compounds/ions in order of increasing pH.1. Li2CO3 , OH^- , NH4Br , NaCl 2. CH4 , HBr , H2O , F^- Lastly,
1. 4 answers
2. asked by TP
3. 676 views
I need some help with these questions. I've chosen answers, but I want to make sure if they are correct.1)Which of the following
1. 1 answer
2. asked by Krista
3. 635 views
Which of the following is true of a substance with a pH of 11.0?A. The substance is an acid. B. The substance is a base. C. The
1. 3 answers
2. asked by Keri
3. 590 views
Stomach acid has a pH of about 2. What conclusion can you reach about the pH of an antacid solution that is used to neutralize
1. 2 answers
2. asked by Anonymous
3. 569 views
Using the table to the right, find which pH range is ideal for each nutrient
1. 1 answer
2. asked anonymously
3. 13 views
Column A1. Milk of magnesia, pH= 10 2. Distilled water, pH= 7 3. Black coffee, pH= 5: Column B a.Acidic b.Basic c.Neutral
1. 1 answer
2. asked anonymously
3. 16 views
Beer with a pH of 4.51 would it be acid, base or neutral
1. 1 answer
2. asked anonymously
3. 16 views
Which number represents an acidic pH, 4 or 9? _______
1. 1 answer
2. asked anonymously
3. 12 views
Which solution has a pH that is closest to neutral?(1 point) Responses hand soap hand soap milk milk chicken soup chicken soup
1. 1 answer
2. asked anonymously
3. 16 views
The list shows three substances and their chemical natures.Substance: milk of magnesia, distilled water, lemon juice. Chemical
1. 1 answer
2. asked anonymously
3. 29 views
The pH of blood is 7.4, and the pH of saliva is 6.4. Which of the two is more acidic?Group of answer choices NH4+ Saliva @ 6.4
1. 1 answer
2. asked anonymously
3. 41 views
household dish soap is a slightly basic solution. Into which range would household dish soap fall?A. 0.5-2.5 B. 4.0-5.5 C.
1. 1 answer
2. asked anonymously
3. 9 views
Geologists working for the Environmental Protection Agency monitor surface waters at sites across the country to determine the
1. 1 answer
2. asked anonymously
3. 11 views
The pH of a strong acid might be _____ while the pH of a strong base might be _____The pH of pure water is _____.
1. 1 answer
2. asked by iknj
3. 10 views
| All Connexus answers for Science 8B UNIT 5 LESSON 6 |- - - 1. pH levels 2. Effects of Burning Fossil Fuels 3. creates
1. 1 answer
2. asked by professionalwattpadreader
3. 8 views
1. The daily average pH values of the tailing water fluctuate between a minimum of 8.12 and a maximum of 8.5, with an average of
1. 1 answer
2. asked anonymously
3. 2 views
Which location had the largest change in the average pH between 1990 and 2015? (1 point)%0D%0AResponses%0D%0A%0D%0ALake
1. 1 answer
2. asked anonymously
3. 4 views