25-07-2015
Chemistry

contestada

which of the following cannot be classified as a substance

which of the following cannot be classified as a substance class=

Respuesta :

25-07-2015

Gold and nitrogen are elements
Table salt is a compound
Air is a mixture of gases.

I would go with air

Answer Link

Otras preguntas

carbon dioxide is a common gas produced in burning describe a test for carbon dioxide gas

Which sentence is punctuated correctly? The shoes normally cost 40 dollars however we got them on sale. The shoes normally cost 40 dollars, however; we go

choose the slope intercept form of 3x + 2y = 5

The transfer of ownership of goods and services for one person or entity another by getting something in exchange is called what

A company wants to start a nuclear power plant as a way to produce clean energy. They want to use the same reaction that's used in thermonuclear weapons. Which

Find the product of 1,230,000 and (0.4 · 10-8). In your final answer, include all of your calculations. Thanks!!!!

Use the equation and type the ordered-pairs. y = 2 x {(-1, a0), (0, a1), (1, a2), (2, a3), (3, a4), (4, a5)} thanks in advance :)

Lee la frase y escribe la forma correcta del verbo en paréntesis. Read the sentence and write the correct form of the verb in parenthesis. You may copy and past

is it a myth that the era of heavy heroin use is over

These cells do not function as antigen presenting cells (APCs)? a. Macrophages and Langerhans cells b. B cells and Langerhans cells c. B cells and macrophages d