Dylanjlopez123 Dylanjlopez123

24-09-2020
Chemistry

contestada

Which sample is a pure substance?
a test tube of zinc oxide
a container of zinc and oxygen
a flask of pond water
a jar of soil

Respuesta :

itsbrizee itsbrizee

29-09-2020

Answer:

A test tube of zinc oxide.

Explanation:

The zinc and oxygen are not at a set ratio, the flask of pond water contains a whole lot of stuff (mixture), and a jar of soil is a mixture.

Answer Link

Otras preguntas

The wages w (in £) Gordon earns is the number of hours he works n multiplied by his hourly rate r (in £ per hour). Enter a formula for Gordon's wages and

explain why the structure of DNA is described as a double helix

HELP !! Long wings are dominant (L). Short wings are recessive (I) . What would be the phenotype for a bird with the genotype LI? O A. long wings O B. short win

9 × 10² I NEED ANSWERS QUICK

translate please si

What are TWO factors that could affect the rate of diffusion?

A person is using a new tennis ball launching machine that is 15 inches by 15 inches by 14 inches. assuming the machine uses tennis balls that are spherical and

Complete the statements: An imperialist might think... An Anti-imperialist might think...

The main purpose of the route seen here was to

PLEASE HELP ME ASAP!!!! In a complete sentence, explain what you need to do with the words you chose to rescue as you complete unit 5. My words: Perish, realiz