pr2emoshifanysu pr2emoshifanysu

24-04-2017
Biology

contestada

Which of the following is an example of a pure substance?

A. air

B. salt water

C. granite

D. aluminum

Respuesta :

golfergirl0721 golfergirl0721

07-04-2020

Answer: Most likely D

Explanation: B is definitely ruled out because of the mixture formed, air doesn't make sense. So that leaves granite and aluminum. I am saying aluminum because it has the same composition needed for a pure substance.

Answer Link

Otras preguntas

how many feet are there in 10 km? (1 m = 3.3 ft) a. 328.084 ft b. 32,808.4 ft c. 328,084 ft d. 3,280.84 ft

Explain in simple molecular terms what would have to be done to a plant oil to transform it to a trans fat.

Which was not characteristic radio in the 1950s? A. popularization of African-American culture B. focus on local and community interests C. focus on specialized

Draw what you think reverse friend think see from the bell tower

Can someone help please, I don't get it and I need to turn it in!! Thank you!

Are medical office managers important

Which of the following is not an example of a supporting document? A map An article from a college or university magazine A public advocacy group's website

for a trapezoid, the following formula relates the area a, the two bases a and b, and the height h. a = (a b) / 2 h solve for a. a. a = 2a / h b b. a = 2a / h −

What is 4/5 - 1/2 ? I need help with my maths essay!

a mixture of carbon and sulfur has a mass of 9.0 g. complete combustion with excess o2 gives 22.5 g of a mixture of co2 and so2. find the mass of sulfur in the