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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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Q: Why must pencil line be drawn above the level of solvent
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Q: What is the common names for solid liquid and gaseous states of water
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Q: How many types of atoms make up a particle of water
9 answers
Q: How do you figure out how many valence electrons an atom has based on its location on the periodic table
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Q: When an atom loses one or more electrons what does the atom become
7 answers
Q: Who first invented slime made with white glue
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Q: If a silicon atom contains 16 neutrons what is its mass number
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Q: Is 243mg greater than 5g
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Q: What (at standard pressure) is the temperature at which saturated solution of NH4Cl has a concentration of 60. g NH4Cl100. g H2O
2 answers
Q: What is the reaction of cobalt nitrate with water
7 answers
Q: When 0.50 liter of a 12M solution is diluted to 1.0 liters the molarity of this new solution is
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Q: How many electrons does a fluorine atom have in its second shell
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Q: Why is a sandwich a heterogeneous mixture
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Q: Why Hydrogen sulfide in house
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Q: Why might someone with cramp be given pure oxygen to breathe in
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Q: What color does the pH paper change in orange juice
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Q: What bond does zinc bromide have
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Q: What is chemical equation showing the reaction of ammonia and water
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Q: Is soot the dirt from chimney
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Q: How are coal and diamond are similar different
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Q: Is hydrogen a rare element in the universe as a whole
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Q: If you add ui to sodium hydroxide what is the colour turns to
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Q: How is the movement of oxygen different from the movement of carbon dioxide in the body
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Q: What is the number of hydrogen atoms in 90 amu of ethane
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Q: Why oxygen called active air
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Q: How calculate Molecular weight of acetic acid
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Q: What is compounds are used in ceramics and glass may also be used for rocket propellants batteries and medicine
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Q: If 0.1 concentration of Hcl how much pH
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Q: Is cesium shiny
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Q: Is SeO2 an ionic bond
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Q: What should be the pH of wfi water
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Q: What does Potassium and copper have in common
5 answers
Q: Is CO2 a covalent bond
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Q: What is tested in an in vivid experiment on a new drug
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Q: What is the name for Pb2 plus and O2-
6 answers
Q: Are hydrogen bond hydrophobic
1 answer
Q: What principle specifies that an employee should report to only one superior
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Q: Is c2h4 acid or base
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Q: Is ch2ch2 acid or base
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Q: What two substances make sandstone
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Q: What is V2O5 ionic or covalent
1 answer
Q: Are ionic compound made of metal and nonmetal
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Q: What is the name of the new substance formed when Ammonia reacts with dilute hydrochloric acid
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Q: What is a substance that is only made up of just one atom
2 answers
Q: What is ferrous sulphate prescribed for
1 answer
Q: What is the term for the energy responsible for the variations in the reaction rates of chemical processes
2 answers
Q: What is the Iupac name of ethyl acetate
1 answer
Q: Is Sodium Erythorbate ionic or covalent
1 answer
Q: What is the arragenment of all the known elements in order of their atomic numbers
2 answers
Q: What information about a molecule does a chemical formula give you
1 answer
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