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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: How much does a tablespoon of borax weigh
1 answer
Q: Which element has a larger atomic radius than aluminum AL
1 answer
Q: Is nitogren a atomic or molecular element
2 answers
Q: Can hand sanitizer be a solid
1 answer
Q: What chemical reactions occur when sodium hypochlorite is added to water
2 answers
Q: What a colour which cannot be obtained by mixing light of other colour Is a
1 answer
Q: What is natural gas mainly made of
1 answer
Q: What happens when you put an acid into water
2 answers
Q: Will pure hydrogen give the same result when burning splinter inserted on the mouth of the test tube
1 answer
Q: What is the stored energy tht an object has due to its postin condition or chemical composition called
1 answer
Q: How many electrons selenium would arsenic lose or gain when forming an ion
2 answers
Q: Is water and carbon dioxide a compound or a element
2 answers
Q: What is the chemical elements Ca
8 answers
Q: What are the elements which make up grass
1 answer
Q: Is mixing sodium chloride and water a chemical or physical change
9 answers
Q: How do you measure 300 mg ferulic acid powder
1 answer
Q: How many joules of heat required to raise the temperature of 25 grams of h2o from 21 degrees Celsius to 35.5 degrees
1 answer
Q: Is S3 a elemet or compound
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Q: What force holds a molecule Na-Cl together in an ionic bond
1 answer
Q: How are NBr3 and PBr3 similar
1 answer
Q: What is the reaction between ammonia and sodium carbonate
1 answer
Q: What happens to energy when matter undergoes a chemical change or a physical change
3 answers
Q: Why do iodine and cornstarch turn purple when mixed together
2 answers
Q: What is a true of an Arrhenius acid
2 answers
Q: In what way were huge deposits of carbon stored
2 answers
Q: How do the inner electron shells differ from an atom's outer electron shells
1 answer
Q: What is the correct model for c7h16
2 answers
Q: Why is having hydrochloric acid in our stomach harmful
1 answer
Q: Is CoF3 ionic or covalent
1 answer
Q: What do you get from a solutin of bromine with potasium iodide
1 answer
Q: How do you remove tippex from paper
1 answer
Q: What percentage of oxygen for fire
1 answer
Q: Is bismuth (Bi) a transition metal
2 answers
Q: What were 2 effects of rising oxygen levels in atmosphere
1 answer
Q: What does the II in the name Iron II indicate about the cation
1 answer
Q: When sodium and chlorine combine to form salt salt is
1 answer
Q: What is methacrylic acid
1 answer
Q: Which factor is responsible for water being a liquid rather than gas at room temperature
8 answers
Q: What is a conical flask in science used for
1 answer
Q: Which is olive drab and chemically treated to color when it comes in contact
2 answers
Q: What is the reaction of sodium and bromine
1 answer
Q: How does electron structure of the atom and emission spectra explain the color of various fireworks
4 answers
Q: What is the Lewis symbol for potassium and chloride ions
1 answer
Q: Why is proponoic acid weaker acidic than alcohol
1 answer
Q: What solution be used to neutralise a spillage of concentration of hydrochloric acid
1 answer
Q: How much is absorbed by surface
1 answer
Q: What is the bond between two atoms called
2 answers
Q: What is the total number of sodium atoms in 46.0 grams of sodium is
1 answer
Q: Why are fertilizers bad for us
1 answer
Q: What is the alkali in antacid
1 answer
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