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Why we Assume in rock laboratory a rock as homogeneous specimen?
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Is granite a pure substance or a heterogeneous or a homogeneous?
Granite is a rock, a non-homogeneous mixture of minerals.
Silver in quartz rock homogeneous or heterogeneous mixture?
Quartz is a homogeneous substance. It is the compound silicon dioxide, SiO2.
What are facies changes in sedimentary rocks?
a rock specimen of a particular depositional enviroment
Which rock specimen should lead the student to choice 4 path a?
gneiss is the answer
Are rocks a homogeneous mixture or a compound or an element or a heterogeneous mixture?
A conglomerate rock is a heterogeneous material.
Is sedimentary rock homogeneous?
Not usually, due to the various sources of the sediments it contains.
Do all metamorphic rocks have layers?
No. The layering or foliation only occurs when there is a variation in the composition of the original rock. If the rock is homogeneous, then there will be no foliation.
Is the in-situ strength of rock higher than the strength determined under laboratory conditions?
The strength of a rock in-situ is almost always less (and sometimes very significantly less) than the strength when measured in a laboratory.
A student finds a rock on the way to school in the laboratory he determines that the volume of the rock is 22.7 ml and the mass in 39.943 g what is the desity of the rock?
1200 g
What would you use to measure 10.5g of rock salt?
I would use a laboratory balance, or scale to measure 10.5g of rock salt.
Is rock salt a drying agent?
Sodium chloride is not used in laboratory as a drying agent.
Are rocks brown because of the dirt on them?
First, wash any dirt off of the exterior of the rock with soapy water and a brush. If a brown color remains, this color is due to staining, rock rind oxidation, or mineral content of the specimen. The interior of the specimen may look totally different than the exterior.
