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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 are earrings made of silver
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Q: How many atoms in calcium oxide
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Q: What is the oxidation number of pf5
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Q: How many elements are in NH4
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Q: Is carbon more reactive than boron
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Q: How is 24karat gold different from 18karat gold
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Q: In The compound copper(II) fluoride what is transformation that occurs when solid copper(II) fluoride dissolves in water.
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Q: Is water condensing on a glass from increasing temperature
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Q: Is a coin mineral
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Q: How can the molecules in one state of matter be converted into another state of matter
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Q: How will you measure how quickly the amylase breaks down the starch
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Q: What color does starch change to in the presence of potassium iodide and sodium hyphoclorite
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Q: How do you calculate the number of grams of Al in 286 g of Al2O3 .
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Q: Is bending a metal pole a physical of chemical change
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Q: Is mixing lemon juice with milk a physical change or chemical change
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Q: How many elements are in Si
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Q: Is the magnesium in part B more or less stable than it is in part A
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Q: Is chlorine in a pool a compound or mixture
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Q: Is the density of the nucleus higher than that that of the whole atom
10 answers
Q: What do coal and petroleum have in common
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Q: What is the name of the two letter code for an element
4 answers
Q: What is the state of sulfur in following equation 2Ag(s) plus S(g)----Ag2s(s)
1 answer
Q: Is a weak acid hydrochloric acid nitric acid ethanoic acid or sulfuric acid
2 answers
Q: Is the correct name for the compound S3Cl2
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Q: What halogen is in this compound
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Q: Why do ionic compounds form electrolyte solutions
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Q: Why is burning sulfur an impurity
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Q: How do you make blue kerosin into white
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Q: What is adding black to a color called
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Q: What is Sodium carbonate and lithium sulfate equation
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Q: What is the concentration of hydrochloric acid
2 answers
Q: Who discovered nitrogen dioxide
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Q: What is Ch4 chemical formula
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Q: What does sodium hydroxide have a high solubility in water
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Q: What is tin plus sulphuric acid
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Q: Is potassium dichromate a reducing agent
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Q: What is the weight of a bottle of water in grams
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Q: What does Specific gravity urine 1.035 mean
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Q: What would the electron configuration of atoms of a noble gas be
3 answers
Q: Could be a long-term health effect of chemical pesticide use
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Q: What type of atomic bonding is silicon
2 answers
Q: Is you splashed strong acid on your face how would get rid of it
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Q: How many teaspoons in 14g of citric acid
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Q: What method uses spinning to separate a mixture
2 answers
Q: What is the six letter word for making sure there are no other chemicals contaminating a solid before you find its melting point
2 answers
Q: What is potassium at 100 degrees c
1 answer
Q: What are examples of Inter-halogen compounds
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Q: Will sulfur and chlorine form ionic or covalent bond
1 answer
Q: How many electron must be gain or lost of Cs
2 answers
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