1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
balu736 [363]
2 years ago
11

A pH change can be evidence that

Chemistry
1 answer:
olganol [36]2 years ago
7 0

Answer:

Explanation:The pH scale ranges from 0 to 14. The pH of a solution is a measure of its acidity or alkalinity (base). ... A change of one unit on the pH scale represents a change in the concentration of hydrogen ions by a factor of 10, a change in two units represents a change in the concentration of hydrogen ions by a factor of 100.

You might be interested in
Student perfotms a Benedict's test on an unknown substance. He adds reagent(the chemical required to make a color change), and n
elixir [45]

Answer:

Reducing sugars are absent

Explanation:

Benedict's solution is an substance used in testing sugars. It is mixture of sodium carbonate, sodium citrate and copper(II) sulfate pentahydrate. It can be used instead of Fehling's solution in testing for the presence of reducing sugars.

Reducing sugars contain the -CHO group. If there is no colour change after the addition of Benedict's solution, then we can conclude that reducing sugars are absent.

7 0
3 years ago
Which of the following are membranous sacs abundant in kidney and liver cells?
atroni [7]

Answer: it’s B!! :)

6 0
3 years ago
Plz help me well mark brainliest if correct
Scrat [10]

Answer:

D) biodiversity

Explanation:

the answer is D) biodiversity

7 0
3 years ago
Read 2 more answers
Help needed ASAP!<br> Thanks for helping!!:)
yulyashka [42]

Answer:

I hope this helps you :)

Explanation:

  1. Question 1 - B
  2. Question 2 - A
  3. Question 3 - D
  4. Question 4 - C
6 0
2 years ago
Give an example of a polar molecular compound that dissolves in water
VLD [36.1K]
Try sugar. I hope this helps!!!!!
7 0
3 years ago
Other questions:
  • Classify the same processes as exothermic or endothermic.
    7·2 answers
  • Please answer these for me
    11·1 answer
  • WILL RECIEVE MEDAL!If 1.2 kilograms of rust form on a bridge in five days, what should be the rate of reaction in grams per hour
    13·1 answer
  • . Scientists explore the geosphere by going into deep​
    10·1 answer
  • In the reaction N2O4(g) 2NO2(g), what changes in color would you expect as pressure is increased at constant temperature?
    6·1 answer
  • You measure the emission spectrum of an atom that you suspect to be hydrogen. You have no absolute calibration of the wavelength
    15·1 answer
  • Which of the following methods can be used to identify the suspected use of heat lamps in a house without entering the house?
    14·1 answer
  • I want the answer of first and last question not middle question answer ​
    5·2 answers
  • a chemist dissolves 0.564 moles of manganese (IV) oxide (MnO2) in water, and adds enough water to make 0.510 L of solution. Calc
    14·1 answer
  • 1) Which of the following statements about gases is false?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!