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
djyliett [7]
3 years ago
10

Which of these is a pure substance?

Chemistry
2 answers:
Svetlanka [38]3 years ago
7 0
Solid gold. 10 carat indicates gold purity is not 100%. For 24 karat gold is pure gold.
svetlana [45]3 years ago
3 0

I just took the test

It's C. because it 100% pure gold which makes it a pure substance

Unlike 10 karat gold in the corner, they are gold but with a high percentage of other metals being around 60% and the whole gold at 40%

So that would make C your answer!

You might be interested in
Howtocalculatethevolumeofcarbondioxideproducedwhen400gofmarblewereats.t.p<br>​
lys-0071 [83]

Answer:

so 0.15 moles X 22.4 dm3/mole=3.36 dm3. Next we find the moles of hexane combusted, and then the moles of CO2. Finally, we find the volume of CO2 using the fact that at STP, 1 mole of gas = 22.4 dm3.

3 0
3 years ago
The Himalayan mountain range found at the junction of India and Asia is an example of a
maksim [4K]

Answer: A : Convergent

Explanation:

5 0
3 years ago
How do the different spheres of earth interact?
Vikki [24]
South Pole and north Pole . it's about megnetic field different spheres of earth interact
5 0
2 years ago
3. A wave has y frequency of 100 Hz and a speed of 50 m/s. What is the wavelength?
strojnjashka [21]

Answer:

0.5 m

Explanation:

5 0
3 years ago
N2 + 6e → 2N-3
sveta [45]

Answer:

The correct answer is reduction.

Explanation:

Nitrogen gas reacts with hydrogen gas and get reduced to form ammonia. In this reaction.This is important reaction of atmospheric nitrogen fixation.The reaction is carried out by many nitrogen fixing bacteria such as Azotobacter,Clostridium etc.

        N2+3H2+6e-  =  2NH3

4 0
3 years ago
Other questions:
  • PLZZZZ HELP!!!!!
    15·1 answer
  • Consider the balanced equation for the following reaction:
    9·1 answer
  • you have two solid substances that look the same. what measurements would you take and what tests would you perform to determine
    8·1 answer
  • Una piedra es lanzada horizontalmente desde la azote de un edificio de 30 metros de altura, con una velocidad de 12 m/s. Hallar
    15·1 answer
  • an aqueous solution has a mass of 490 grams containing 8.5×5103 gram of calcium ions. the concentration of calcium ions is in th
    15·1 answer
  • A home remodeling company charges $10 per square yard for installing new carpets. What is the cost for installing a carpet for a
    9·1 answer
  • Use molecular structure and intermolecular bonding to describe why bromine has a lower boiling point than water
    10·1 answer
  • Which of the measurement contain three significant figure?
    14·1 answer
  • Which of the following is most likely to move through the cell membrane by facilitated diffusion?
    13·1 answer
  • Based on the passage, which words best describe Captain Ahab?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!