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
DerKrebs [107]
3 years ago
12

Is limestone a mixture or a pure substance​

Chemistry
1 answer:
grandymaker [24]3 years ago
5 0

Answer:

Limestone is a pure substance

Explanation:

It includes many elements and compounds that make it more difficult to break down Limestone.

You might be interested in
Edta is a synthetic amino acid, which the body perceives as a foreign substance. edta is therefore delivered to the kidneys and
lakkis [162]
EDTA is a synthetic amino acid and is a chelating agent. They are are capable of forming bonds with heavy metals in order to form very complex structures wherein the body could dispose easily in through the urine. It is used in removing lead, mercury, iron, aluminum and many other metals.<span />
5 0
4 years ago
the atom was thought to be indivisible. Explain the significance of Thomson's concept of the electron.
Ludmilka [50]

Answer:

Thomson's experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons. Thomson's plum pudding model of the atom had negatively-charged electrons embedded within a positively-charged "soup.

4 0
3 years ago
Work out the volume of 0.1 moles of chlorine gas at room temperature and pressure.
Lilit [14]

Volume of gas at room temperature = number of moles x 24 dm^3

Volume = 0.1 moles x 24 dm^3

Volume = 2.4 dm^3  (or 2400 cm^3)

5 0
4 years ago
Guys pleaseeeee help:
arlik [135]

Answer:

Carbon- A burnt piece of toast is covered in this element. It is the fourth most abundant element and makes up many living things.

Magnesium- Which element is a member of the alkaline earth metals and has 12 neutrons?

Neon- Which element is an inert gas found in group VIII that produces a red glow in lights?

6 0
3 years ago
The first living things to live in an are are*
Alex17521 [72]

Answer:

Pioneer species

Explanation:

Pioneer species are organisms that are first to colonize and area that is barren, or an area that was heavily disrupted. It could have been disrupted by natural disasters like volcano eruption or a flood. These organisms can grow on bare rock, which (with some help from wind and water) weathers the rocks and create soil. The soil formed eventually allows other forms of life, like plants to move in the area.

8 0
4 years ago
Other questions:
  • What is the definition of erosion? the process by which sediment settles out of water the soil and rocks deposited by moving wat
    10·2 answers
  • Which is not a property of a pure substance?
    9·2 answers
  • If you had a beaker full of black powder which of the following could you have?
    7·2 answers
  • Predict the sign and calculate ΔS° for a reaction. Close Problem Consider the reaction H2CO(g) + O2(g)CO2(g) + H2O(l) Based upon
    8·1 answer
  • An unknown radioactive substance has a half-life of 3.20 hours . If 22.8 g of the substance is currently present, what mass A0 w
    15·1 answer
  • When an object falls to the ground, potential energy is most likely transformed into
    8·1 answer
  • BRAINLIESTTT ASAP! PLEASE HELP ME :)
    15·1 answer
  • How do i delete this question it was a test
    11·1 answer
  • A given sample of a gas has a volume of 3 liters at a
    14·1 answer
  • States of matter are the...
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!