need help on Geo questions No S Question 40 All of the following criteria define

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need help on Geo questions

No S Question 40 All of the following criteria define a mineral except: C It is organic It is inorganic It has a well-defined chemical composition r It is naturally occurring It has an orderly internal arrangement of atoms Question 41 The simplest form of matter that can be separated by chemical means is the C atom chemical eloment C proton C electron Question 42 The two most abundant chemical elements in Earth's crust are C Na and Cl Oand Mg Fe and Mg Si and O Question 43 NaC is the chemical formula for the mineral Quarta Halite Olivine

Explanation / Answer

40. A mineral is not inorganic as it is available naturally in the crust.

41. Chemical elements are separated by chemical means. As they are bound by chemical reactions, they get separated by chemical means only.

42. Oxygen and silicon are the most abundant. They are in the form silicon dioxide also.

43. Halite is the sodium chloride and has the formula NaCl

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