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
Misha Larkins [42]
3 years ago
15

Which sample is a pure substance?

Chemistry
2 answers:
jeka57 [31]3 years ago
7 0

The correct answer is: A. a test tube of zinc oxide

Sunny_sXe [5.5K]3 years ago
6 0
A test tube of zinc oxide
You might be interested in
What causes an acid or base to dissociate
olasank [31]
The polar water molecules pull apart the ions of the acid or base.
6 0
3 years ago
Which object represents a simple machine? A)battery B)pliers C)Match D)candle
Anna35 [415]
Battery represents a simple machine
6 0
3 years ago
Read 2 more answers
1 moL of a substance is equal to 6.02 x 1023 atoms or particles<br> True or false
dimulka [17.4K]

1 moL of a substance is equal to 6.02 x 10^23 atoms or particles , it true statement. This number is known as Avogadro number.  

5 0
3 years ago
You are sitting outside on a warm day with a cold glass of water. You notice water droplets starting to collect on the outside o
Katarina [22]

Answer:

2

Explanation:

3 0
3 years ago
Read 2 more answers
The columns in the periodic table are called groups. What do the elements in group 17 have in common?
natita [175]

Answer:

All of the elements in group 17 all have 7 valence electrons. This is one thing they all share in common.

Explanation:

7 0
3 years ago
Other questions:
  • PLEASE IM BEGGING FOR YOUR HELP!!! the volume of a gas is 550 ml at 960 mm hg and 200.0°C. What volume would the pressure of the
    6·1 answer
  • Fossils allow us to analyze how organisms have changed over time. In which type of fossil does the organism get pressured and he
    5·2 answers
  • 1. Which of the following species exhibit tetrahedral geometry?
    6·1 answer
  • Bc my last "question" was rlly illiterate
    12·2 answers
  • What is the electron configuration for fluorine?
    13·2 answers
  • H2 + Cl2 --&gt; 2HCl
    13·1 answer
  • What would be the effect of each of the following sources of error on the molarity of H2SO4 determined in this experiment? State
    6·1 answer
  • True or false: Nonmetals are good conductors of electricity?
    13·2 answers
  • Explain why by referring to the kinetic particles theory
    7·1 answer
  • List 10 ways a small community can conserve energy and recourses??
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!