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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: What is the chemical name for CoBr3

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Q: Is Li a cation or an anion

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Q: 10cm3 of CO is mixed and sparked with 100cm3 of air containing 21 of O2. If all the volumes are measured at s.t.p. a) write a balanced equation for the reaction b) calculate the i) volume of oxygen pr

Q: Can magnesium conduct heat

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Q: Which is more reactive gold or platinum

Q: What is the most common letter in the periodic table out of all letters in a chemical symbol

Q: What is the pH value of tears in eyes

Q: Chemical formula for coal

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Q: What is the pH of a solution containing Na2CO3

Q: How many kg equal cm3

Q: How many pounds is 16 liters

Q: Why should a lit Bunsen burner never be left unattended

Q: Why does the pH of Coca-Cola change when you place limestone in it

Q: Is CCl2F2 polar or nonpolar

Q: What elements is in oil

Q: If an atom has 34 protons and 40 neutrons what is its atomic number

Q: Is sulfate a gas

Q: The sum of protons and neutrons in the nucleus of an atom is the

Q: Does a chemical change occur when dry ice is dissolved in water

Q: Chemical formula of saliva

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