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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
Q: What kind of bond is Na with Na
2 answers
Q: Does sodium have a higher melting point then potassium
1 answer
Q: Is oxygen gas an element a compound or a mixture
2 answers
Q: Why is the abbreviation for silver ag and not s
2 answers
Q: What is the prefix of Soluble
2 answers
Q: What does corvac tube used for in blood
1 answer
Q: What does rum on silver ring mean
1 answer
Q: Is there a difference between Na2HCO3 and NaHCO3
1 answer
Q: How does brownian movement relate to diffusion and osmosis
1 answer
Q: What is the molecular equation for potassium hydroxide and ammonia sulfate
1 answer
Q: What is the reaction of lead 2 nitrate and potassium sulfate
1 answer
Q: Is benzene a cancer hazard
1 answer
Q: Is the luster of platinum jewelry physical or chemical property
2 answers
Q: Is nitrogen more reactive than arsenic
1 answer
Q: What occurs between water molecules in hydrogen bonding
1 answer
Q: Can a solution be chemically separated
2 answers
Q: Is paint peeling a chemical or physical change
3 answers
Q: Level is used when nuisance contamination is present only requiring the lowest form of chemical andor respiratory protection
2 answers
Q: What branch of chemistry us investigating energy relationship
2 answers
Q: What is the PEN number for calcium
1 answer
Q: What must a student do to obtain a volume of 12.5 milliliters of liquids in a graduated cylinder shown in the diagram
1 answer
Q: What is the appropriate material fo cleaning the lenses of the microscope
1 answer
Q: Is a silicon chip a pure element
1 answer
Q: What is a compound made from a group of covalent bonds
1 answer
Q: An oxygen ion is larger than the oxygen atom since
1 answer
Q: When atoms in a covalent bond share electrons unequall(one atoms pulls more than the other ) the bond is said to be
1 answer
Q: What is the regulator adjustment pressure for oxygen and acetylene
1 answer
Q: What is the role of ATP in sodium-potassium pump
2 answers
Q: Why is saw blades made from steel
2 answers
Q: Why is coal the most widely used fossil fuel
1 answer
Q: Why does water form a spherical shape n wax paper
2 answers
Q: What ionic compound is bonded in a three dimensional pattern
1 answer
Q: What hallmark is platinum
1 answer
Q: Which one of the following does not describe a single displacement reaction
2 answers
Q: What molecules move across during osmosis
2 answers
Q: What type of reaction is usually involves a reactant that contains carbon and produces heat and light
4 answers
Q: Why Two electron shells in oxygen
1 answer
Q: What is the name of HOOCCH3
2 answers
Q: Will chloroform cause unconsciousness
2 answers
Q: What is 2C2H4
1 answer
Q: What does the little 2 mean in CO2
5 answers
Q: What the big in 2CO2 mean
2 answers
Q: How are the different types of inhibitors different
1 answer
Q: What element completes the 7s sublevel
2 answers
Q: How many moles are there in 45.12 grams of chlorine
3 answers
Q: What does mouseion mean
1 answer
Q: How many joules in a kg of coal
1 answer
Q: What does a base remove or accept
9 answers
Q: What are the two molecules that enter the citric acid cycle
1 answer
Q: Why carbonyl compounds undergo nucleophilic addition reactions
1 answer
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