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Chemistry

Delve into the study of matter, its properties, composition, structure, and the changes it undergoes during chemical reactions. Chemistry is the central science connecting other scientific disciplines.

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Questions

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Q: Does lead occur naturally in it's pure state

Q: What does a 250 degrees nitrogen do

Q: Is OCL2 polar or non-polar

Q: If milk and vinegar is mixed is it a physical or chemical change

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Q: Why is chlorine more chemically reactive than oxygen

Q: What is the advantage of covalent bonding over ionic bonding when making large molecules

Q: What is bigger a quark or an electron

Q: Does Brass float

Q: What liquid melts the fastest water juice or soda

Q: Why must you never taste an unknown acid or base

Q: Is steam water a gas

Q: Can an element undergo a decomposition reaction

Q: What is the purpose of a condenser in a chemistry laboratory setting

Q: How can one determine the boiling point of a compound

Q: Is Jelly Irreversible

Q: How can CO2 be converted into oxygen

Q: What basic shape is the crystalline structure of NaCI

Q: Why glucose is not soluble in CCl4 but dissolve in water

Q: What elements have a filled outermost energy level

Q: Is an antacid tablet dissolving in a glass of water chemical change

Q: What is the chemical formula for grease

Q: Why does the color of potassium permanganate not disappear when excess of ethanol is added to it

Q: How do you make 0.5 M potassium dihydrogen orthophosphate

Q: What is the chemical formula for dicarbon hexahydride

Q: What materials retain heat the longest and why

Q: What happens when a base reacts with carbonates

Q: What are the side effects of plutonium

Q: Why are carbon atoms in propane not in a straight line

Q: Why is sodium bicarbonate used for baking

Q: What is the correct name for the compound CaSO 4

Q: Is a compound a mixture or a pure substance

Q: How would you describe coal

Q: What is the safest an acid or an alkali

Q: How do you find coal

Q: What element is used in bright flashing advertising sign

Q: Which of following is an example of a decomposition reaction

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