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When testing the effect of size on dissolving what other need to be controlled?
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Why is rubbing alcohol a good solvent for chromatography testing?
Most inks are have carbon-based structures. Isopropyl alcohol is effective at dissolving other carbon compounds.
How can you define solvent?
It is a liquid substance capable of dissolving other substances. For example: water, vinegar, juices etc.
Do underwriters laboratories and the other recognized testing laboratories approve products?
No
Material testing laboratory?
Material testing laboratories for building materials are essentials for modern days construction.Now adays buildings,bridges,dams,highways and other constructions are using expensive materials therefore it is necessary to assure the quality of construction materials.material testing laboratories are testing these materials and assuring the quality.
What is the difference between mixing and dissolving?
The particles in a mixture are only mixed together, but are not bonded together; in a solution the particles are mixed, except that they are physically bonded to each other.
Controlled experiment is one in which?
A controlled experiment is an experiment where there are limited or no variables other than the one you are testing for.
Why is rubbing alcohol a good solvent for chromatography testing?
Most inks are have carbon-based structures. Isopropyl alcohol is effective at dissolving other carbon compounds.
Is ashes a controlled substance?
No. Most officials will not do the intense testing needed to prove what they are. But if they are obvious they can be probable cause for search leading to other issues.
A test of the effect of a single variable by changing it while keeping all other variables the same?
controlled experiment
What is a controlable variable?
A variable which can be controlled by some other variables or some other parameters is known as controlled variable. A controlled variable is something that can be changed by the experimenter. It is also known as the independent variable. It is something that gives a measure by which to gauge everything else by. For example, if you were testing the effectiveness of a plant fertilizer the "control" would be a plant that is given no fertilizer at all. A controlled variable is the variable that stays the same through out the experiment meaning no changes to it.
What is a controlled variable in an experiment?
controlled variable is the factor that leaved unchanged to investigate any only one factor that has been changed in the other experiment and the effect of not altering this factor.
How was the effect of imperialism on Latin America to its effect on China?
Latin America was commercially dominated by the united states. Similarly, China's economy was controlled by Japan and other countries. (APEX)
Is there another way to study the world other than by doing a controlled experiment?
Scientisists do mant different controlled expirements to see different results. To conduct a fair expirement, you must control all of the variables expect for the one you are testing.
What has the author Laurence W McKeen written?
Laurence W. McKeen has written: 'The effect of creep and other time related factors on plastics and elastomers' -- subject(s): Plastics, Testing, Elastomers, Thermal properties 'The effect of temperature and other factors on plastics and elastomers' -- subject(s): Plastics, Testing, Elastomers, Thermal properties
Is changed or manipulated in order to observe its effect on the other parts of an experiment?
The three kinds of variables are independent, dependent, and controlled. An independent variable is either changed or manipulated in order to observe its effect on the other parts of an experiment.
What is the correct term for this definition observing the effect of one thing while keeping all other things constant?
Controlled experiment
How was the effect imperialism on Latin America similar to its effect on China?
Latin America was commercially dominated by the united states. Similarly, China's economy was controlled by Japan and other countries. (APEX)
