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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: Is sodium sulphate solution colourless
1 answer
Q: How is sodium atoms different from oxygen atom.
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Q: IS KCl soluble
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Q: How do you use proton in a sentence
2 answers
Q: How do you use molecule ina sentence
1 answer
Q: What is the difference between an acid and a bade
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Q: How does petroleum gas work
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Q: Explain how you would find the density of an unknown liquid if you have all the laboratory equipment that you need
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Q: Why do some compounds not react to form new ones very easily
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Q: How does petroleum work
2 answers
Q: Which elements below the hazard communication standard require on each hazardous chemical label
2 answers
Q: Why is Nitrogen used to protect steel from water because nitrogen has
1 answer
Q: What are the respective formulas for iron (ll) oxide and carbon tetra chloride What is the difference
1 answer
Q: What is a beta barrel
2 answers
Q: How do the properties of soaps made from vegetable oils differ from soaps made from animal fats
1 answer
Q: Which sublevels contain valence electrons in an atom of nitrogen (N)
2 answers
Q: What is Ba(OH)2
5 answers
Q: Is chlorine a scientific name
3 answers
Q: Compared to the particles in a hardened lava sample the particles in a liquid lava sample
4 answers
Q: What colors do you mix to make neon colors
2 answers
Q: What scientist said all matter is made of atoms
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Q: What part of a plant controls its evaporation
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Q: What makes a laundry detergent good
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Q: Is water evaporating into steam chemical or physical change
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Q: What is the relationship between atomic radius and the corresponding model radius
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Q: Why Gold is used instead of calcium to make jewelry
3 answers
Q: Which term describes processes that take place when there is no oxygen present
1 answer
Q: Is potassium oxalate added to the gray vaccum tube
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Q: How do inbreeding and hybridization compare
1 answer
Q: Are cellular macromolecules containing hydrogenoxygen nitrogen carbon and phosphorus
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Q: What role does the ocean play in the oxygen cycle
1 answer
Q: What does 2Fe203 equal in Science
1 answer
Q: When a closed tin is heated the pressure inside it increases Why does this happen
2 answers
Q: Which energy sublevel is being filled by the element K to Ca
2 answers
Q: A mineral that contains calcium carbonate would provide a positive response to a test for what
1 answer
Q: Do bone cells need oxygen and food
1 answer
Q: Can sodium and chlorine form an ionic compound
2 answers
Q: How do you know if a compound is convlent or ionic
1 answer
Q: Is havarti cheese alkaline or acidic
1 answer
Q: When dissolved in water sodium hydroxide completely dissociates into what
2 answers
Q: What absorbs water and houses bacteria
3 answers
Q: Is CCl4 a ionic or molecular compound
4 answers
Q: What is the mass in grams of 2.30 mol ethylene glycol
3 answers
Q: Can both liquid water and steam exist as 100ºC
8 answers
Q: How many moles of CO2 are contained in 9.55l at 45C and 752torr
4 answers
Q: Is sodium hypochlorite is free chlorine
1 answer
Q: How can nitrogen-rich fertilizers affect algal blooms in he ocean
1 answer
Q: What is a atom that is made of atoms of more than one type bound together
2 answers
Q: Where do Oxygen and Carbon dioxide move from high concentration to low concentration
1 answer
Q: What is the oxidation numbers of NaBrO2
1 answer
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