Chemistry, 06.11.2021 04:30 tearaj

A student is testing a solid material to determine whether it is a pure substance or a mixture. Which observation would MOST likely indicate that the material is a mixture?
The material has crystals of two different colors.
The material does not dissolve completely in water.
The material does not melt when it is heated over a burner.
The material reacts with an acid solution to form bubbles of gas.

Answers: 3

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 05:30

Choose all the answers that apply. as ocean depth increases, temperature decreases temperature increases pressure increases pressure decreases salinity increases density increases

Answers: 2

Answer

Chemistry, 22.06.2019 12:00

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

Answers: 2

Answer

Chemistry, 22.06.2019 13:50

How does the motion of particles in a gas change as the gas cools

Answers: 2

Answer

Chemistry, 22.06.2019 15:00

‘which reaction would most likely require the use of an inert electrode?

Answers: 1

Answer

You know the right answer?

A student is testing a solid material to determine whether it is a pure substance or a mixture. Wh...

Questions

Mathematics, 28.06.2019 09:20

Planes a and b intersect. which describes the intersection of line m and line n? point w point x point y point z...

Mathematics, 28.06.2019 09:20

For the polynomialf(x)=-2x^3-2x^2+7x-25 as x -> -∞, f(x) -> ∞truefalse...

Arts, 28.06.2019 09:20

Film theory has many influences. who were two thinkers that film scholars drew from in “grand theory”? two thinkers that influenced film scholars wer...

Chemistry, 28.06.2019 09:20

Apopulation of gray foxes lives in a forest ecosystem. these foxes prey mostly on a large population of mice. if a fatal disease infects the mouse pop...

History, 28.06.2019 09:20

The smoot-hawley tariff had the direct effect of providing loans to banks and businesses. shantytowns being built across the country. bonus army demo...

Mathematics, 28.06.2019 09:20

In a study, 4040% of adults questioned reported that their health was excellent. a researcher wishes to study the health of people living close to a n...

Computers and Technology, 28.06.2019 09:20

A. write a java class that declares a named constant that holds the number of feet in a mile : 5,280 . also declare a variable to represent the dista...

Physics, 28.06.2019 09:20

Atennis player tosses a tennis ball straight up and then catches it after 1.77 s at the same height as the point of release. (a) what is the accelerat...

Mathematics, 28.06.2019 09:20

Chapter exercise 15-32 a survey of 189 statistics students asked the age of car usually driven and the student’s political orientation. the car age wa...

Physics, 28.06.2019 09:20

Aball is tossed with enough speed straight up so that it is in the air several seconds. (a) what is the velocity of the ball when it reaches its highe...

Biology, 28.06.2019 09:20

In what situation can a harmful deletion in a chromosome persist in a population? if the deletion is not in the centromere, so it is not fatal. if th...

Computers and Technology, 28.06.2019 09:20

Using matlab in cryptography, the intended message sometimes consists of the first letter of every word in a string. write a function crypt that will...

Computers and Technology, 28.06.2019 09:20

•3-5 years of experience in mobile application design • experience with ios and android developing and designing • create interfaces that the customer...

History, 28.06.2019 09:20

Prompt review the examples of the golden rule found in other cultures, then answer the question. "do not do to others what you would not like yoursel...

Mathematics, 28.06.2019 09:20

If the measure of ðdab = 50°, and ðdac = 20°, what is ðcab? a. 30° b. 60° c. 80° d. 120°...

Arts, 28.06.2019 09:20

Taylor is a director of a play. in a scene, the actor is playing a character who is very angry. during rehearsals, taylor realizes that the people at...

Physics, 28.06.2019 09:20

How are step-up transformers used in the transmission of electrical energy? a they decrease the voltage before it leaves a power plant. b they increa...

Business, 28.06.2019 09:20

How does attractiveness influence social perception?...

Arts, 28.06.2019 09:20

Tina hires marie to write a play on a fictional character named marcus chang, who is an asian sleuth. this character travels all around the world meet...

Mathematics, 28.06.2019 09:20

Translate the following into a math equation: 4 divided by the difference of h and 7 question 1 options: a 4 − h ÷ 7 b (h − 7) ÷ 4 c 4 ÷(h − 7) d 4...

More questions: Chemistry Another questions