A researcher uses several procedures to separate a rock sample into different chemicals. A mass of 50 grams of one chemical is produced. If this chemical cannot be separated into other chemicals, then it is best described as A. a compound
B. a mixture
C. a solution
D. an element

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

In which situation can a mixture always be called a solution