B) add a small amount of sugar.
C) boil the water.
D) remove the salt.
Answer:
A. Add sand
Explanation:
A mixture in which particles are not uniformly distributed throughout the solution then it is known as a heterogeneous mixture.For example, sand in water is a heterogeneous mixture.Where as a mixture in which particles are evenly distributed throughout the solution then it is known as a homogeneous solution.For example, salt in water is a homogeneous solution. This, is why we can conclude that to make salt water a heterogeneous mixture, you would have to add sand.
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Answer:
The molar mass is determined by applying the Ideal Gas Law, PV = nRT, where P is the pressure (in atm), V is the volume (in L), n is the number of moles of gas, R is the universal gas constant (0.08206 L∙atm/mol∙K), and T is the temperature (in K).
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AntoineLavoisier incorrectly characterize light as matter. The correct option is A.
He is best known for discovering the role of oxygen in combustion. Antoine Lavoisier was a Frenchchemist who discovered that air is the source of combustion and acidity. He developed the metric system and debunked the phlogistontheory.
A diligent researcher, Antoine-Laurent Lavoisier, fundamentally changed chemistry. Among his many accomplishments, he established the law of conservation of mass, discovered that combustion and respiration are caused by chemical reactions with what he called "oxygen," and helped systematize chemicalnomenclature.
An element, according to Lavoisier, is a chemicalsubstance that cannot be decomposed using current analyticalmethods.
Mendeleev defined an element as a substance made up of atoms with the same atomic weight. Light is incorrectly described as matter by AntoineLavoisier.
Thus, the correct option is A.
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Light
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species; heredity
B.
genotype; phenotype
C.
heredity; species
D.
phenotype; genotype
Answer: Option B
Explanation: Any organism can be defined by two factors one is its genotype and other one is its phenotype.
The genetic composition of the body of an organism can be said as its genotype. The genes are present inside the cell and determines the physical characters of an organism.
The phenotype can be defined as the physical appearance of the organism. Example: height, color of the organism.