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Can you use a dichotomous key to identify a specific mineral sample?
Wiki User
∙ 12y ago
Yes
Wiki User
∙ 12y ago
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What are mineral samples?
its a sample of a mineral!
What is the density of a mineral sample?
60g/kg
What property of a mineral is determined by its chemical composition?
The color of a mineral sample is determined by its chemical composition
A scientist suspect that a mineral sample is a carbonate. which useful for identifying the sample as a carbonate?
A sample of carbonate is acid. Acid is what identifies carbonate in science studies.
A positive chemical test is often the best and safest way to identify a gas?
A positive result of any test identifies the actual presence of a particular substance in a given sample. This type of test is called a specific test. Yes, it is a safest way to identify a gas.
How might you identify whether a mineral sample might be lodestone?
sniffing butts.XD
What is the mineral property defied by Density of the mineral sample divided by the density of water?
Specific gravity.
How do you get the specific gravity of a mineral?
Fill a beaker with water, and weigh it. Weigh a sample of the mineral. That's the mass of the mineral. Put the sample in the beaker and weigh that. The weight of the water-filled beaker plus the weight of the mineral sample will be greater than the weight of the beaker with mineral sample and water. The difference is the weight of the displaced water, in grams. The volume of the mineral sample, in cubic centimeters is equal to the weight of the displaced water, in grams. Calculate the specific gravity of the mineral by dividing the weight of the mineral sample by the volume of the mineral sample. Example: your beaker weighs 40 grams. Filled with water, it's 1040 grams. The sample of mineral weighs 160 grams. The beaker with the sample of mineral and water weighs 1179.7 grams. The mineral, and the beaker with water would have a combined weight of 1200 grams, but the beaker with mineral and water weighs 20.3 grams less than that, so the mineral sample is displacing 20.3 cubic centimeters of water. Given a mass of 160 grams and a volume of 2.03 CC, the specific gravity would be found by dividing 160 by 20.3. It's 7.85. (Which happens to be the specific gravity of some iron.)
Which information would probably be most helpful to someone trying to identify a mineral sample?
Many igneous rocks can be identified by the position of their minerals.
What are mineral samples?
its a sample of a mineral!
Why are chemical properties not always used to identify minerals?
Testing the chemical properties of a mineral might damage the mineral sample. Also, these tests can be complex and may require expensive equipment.
What are the application of radial immunodiffusion?
1.used for determining the antigen concentration of unknown sample. 2.to identify the specific viral antigen from the mixed viral sample.
What are the applications of radial immuno diffusion?
1.used for determining the antigen concentration of unknown sample. 2.to identify the specific viral antigen from the mixed viral sample.
What is western blot testing?
Western blot is an analytical method used to identify specific proteins on the sample. It is widely used in clinical labs to identify pathogens in the patient sample to conclude what disease it is. It is a powerful technique used in research labs.
Compare and contrast the different simple tests for mineral identification presented in the lesson?
There are several different tests that can help identify minerals. You can use any of them to determine the sample.
A 1066 gram mineral displaces 300 ml of water. What is the specific gravity of the mineral?
We find that 3.53 is the spee gee (specific gravity) of our mineral. Specific gravity is a measure of the density of a substance compared to the density of water. The density of water is 1 g/ml and we just need to do some simple math. Since water is 1g/ml, we just need to find out the density of our sample in g/ml and drop the units. Note that specific gravity has no units associated with it. It is a number. Our mineral sample weighs 1066 grams, and its volume is 300 ml. 1066 / 300 = 3.53333....
What is a flame tested used for?
To identify an unknown sample by its emission spectrum
