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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: If you burn a piece of wood it becomes a different substance. What type of property is this
2 answers
Q: In what sizes of particle the aggregate are deficient or oversupplied
1 answer
Q: A patient is suffering from painful highly corrosive burns similar to acid and wheals have begun to appear on the skin. which vesicant agent is suspected
4 answers
Q: What chemical compound once used as a propellant in aerosol sprays
4 answers
Q: What element represents a compound
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Q: Compounds are made up of more than one element. Which of the following represents a compound NH3 O3 N2 H2
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Q: Explain active methylene compound with examples
1 answer
Q: How do you prepare 4N potassium chloride
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Q: What do you observe when ammonium hydroxide is added o iron (iii) choloride
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Q: How do you make 1percent acetic acid in acetonitrile
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Q: Polonium charge number
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Q: What is compound dissociation
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Q: You need to heat a solid to a temperature of 250 and deg Celsius. What would be the most appropriate type of glassware to use
1 answer
Q: Materials that are needed for an experiment could be held in this item until time to use them.
3 answers
Q: What a soultion that is neither acidic nor basic called
1 answer
Q: At 212 degrees Fahrenheit what does water do
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Q: Is iron triad a nonmetal
2 answers
Q: What color does Light gray and yellow mixed make
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Q: What types of energy are in coal
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Q: In which group are the elements gases at room temperature
6 answers
Q: In which group are the elements always linked with others to form compounds
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Q: Elements in the same group or family share important
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Q: What is the concentration of an HBr solution if 12.0 mL of the solution is neutralized by 15.0 mL of a 0.25 M KOH solution
1 answer
Q: Name the two main numbering system used to measure the purity of gold
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Q: Is sterling silver a heterogeneous mixture
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Q: A chemical change in which a substance combines with oxygen as when iron oxidiesforming rust.
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Q: Is purple color a physical and chemical change
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Q: Elements after iron are made how
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Q: One or more of the ions that do not participate in an oxidation-reduction reaction are called
3 answers
Q: What does the element curium smell like
2 answers
Q: In potassium bromide KBr which element forms anions
1 answer
Q: What one of these defines the like dissolves like rule of solubility
2 answers
Q: What is the chemical reaction of MgCl2 plus Li2CO3 and MgCO3 plus 2LiCl
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Q: What do sodium and chlorine make when reacted
1 answer
Q: How is the bond in F2 different from the bond KCI
1 answer
Q: What osmosis involves . both water and oxygen water but not oxygen oxygen but not water neither water nor oxygen
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Q: How many electrons does a -1 ion have
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Q: Powdered sulfur and iron filings are mixed together. What physical property could you use to separate them
2 answers
Q: Which chemical reaction would result in the greatest release of energy A) ADP plus P -- and gt ATP B) ATP plus Oxygen -- and gt ADP plus P C) Pyruvic acid plus NADH -- and gt lactic acid plus NAD plus
1 answer
Q: Why transfer of energy is said to be unidirectional whereas biochemical transfers is said ro be cyclic
1 answer
Q: Distillation and evaporation are methods to .
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Q: Oxygen and copper are examples of what
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Q: Of what are table sugar and table salt examples
6 answers
Q: Hardness texture color and freezing point are all examples of what type of properties of matter
2 answers
Q: What is the name for molecular compound N4Se4
2 answers
Q: The element with a proton number 12 has similar chemical properties to the element with the proton number
4 answers
Q: Hexane and oxygen gas as a reaction
3 answers
Q: What causes solid water to be less dense than liquid water
1 answer
Q: Fuction of ironing
1 answer
Q: If the individuals are not in suitable condition to travel what phase would include self reporting as well as actions normally taken at the evacuation rally point
4 answers
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Trending Questions
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