differentiate among the element and compounds in the following chemical species
H2, NaCl, ozone. CH4, water, carbon dioxide, marble, sand
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Answer:
Elements is the purest form of matter.
Element: Mercury, sulphur, Gold, Oxygen.
Compound: Sugar, Water, alcohol
Mixture: Sand, Coal
● H2o -- H2o पानी का रासायनिक सूत्र है जिसका अर्थ है कि इसके प्रत्येक अणु में एक ऑक्सीजन और दो हाइड्रोजन परमाणु होते हैं.
● Nacl -- Sodium chloride, commonly known as salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions. With molar masses of 22.99 and 35.45 g/mol respectively, 100 g of NaCl contains 39.34 g Na and 60.66 g Cl.
● ozone -- Ozone, or trioxygen, is an inorganic molecule with the chemical formula O ₃. It is a pale blue gas with a distinctively pungent smell. It is an allotrope of oxygen that is much less stable than the diatomic allotrope O ₂, breaking down in the lower atmosphere to O ₂.
● CH4 -- Methane is a chemical compound with the chemical formula CH₄. It is a group-14 hydride and the simplest alkane, and is the main constituent of natural gas.
● water -- Water is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms. It is vital for all known forms of life, even though it provides no calories or organic nutrients.
● corvan -- In Judaism, the korban, also spelled qorban or corban, is any of a variety of sacrificial offerings described and commanded in the Torah. The plural form is korbanot, korbanoth or korbans. A korban was a kosher animal sacrifice, such as a bull, sheep, goat, or a dove that underwent shechita.
● dioxide -- Carbon dioxide is a colorless gas with a density about 60% higher than that of dry air. Carbon dioxide consists of a carbon atom covalently double bonded to two oxygen atoms. It occurs naturally in Earth's atmosphere as a trace gas.
● marble -- Marble is a metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite. Marble is typically not foliated, although there are exceptions. In geology, the term marble refers to metamorphosed limestone, but its use in stonemasonry more broadly encompasses unmetamorphosed limestone.
● sand -- Sand is a granular material composed of finely divided rock and mineral particles. It is defined by size, being finer than gravel and coarser than silt. Sand can also refer to a textural class of soil or soil type; i.e., a soil containing more than 85 percent sand-sized particles by mass.