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Chemistry
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.
221k
Questions
Q: What is the oxidation number for phosphate
3 answers
Q: Is magnesium dioxide covalent or ionic
3 answers
Q: When gold jewelry is unaffected by perspiration chemical or physical
3 answers
Q: What is the term for a substance undergoing a chemical change
10 answers
Q: What are the uses of the nuclear reaction
3 answers
Q: A bond in which atoms share electrons is called a
11 answers
Q: What group elements of 4 electrons to form covalent bond
3 answers
Q: What is HONO2 NAME
3 answers
Q: In the periodic table what group is ignored
5 answers
Q: What forms a peptide bonds
4 answers
Q: What is carbonyl compound
3 answers
Q: Do you need to fast for an electrolyte blood test
2 answers
Q: Is Calcium bromide a ionic bond
2 answers
Q: What is californium origin name
3 answers
Q: What elements are present in coin
2 answers
Q: Is rust biodegradation
3 answers
Q: Is lead man made
4 answers
Q: Potassium iodate covalent or ionic bond
3 answers
Q: What belongs in the blank space of the following chemical equation for the burning of fossil fuels fossil fuel plus oxygen gas plus water plus heat
2 answers
Q: Is hydrogen an element or a compound or a homogeneous mixture or a heterogeneous mixture
5 answers
Q: Name something that is considered matter
3 answers
Q: What is hydrogen hydroxide used for
3 answers
Q: Where is iron commonly found
3 answers
Q: How many atoms atoms does sodium hydroxide have
3 answers
Q: Is acetic acid a strong acid
9 answers
Q: What does gain or loss of electrons mean
12 answers
Q: A flask that weighs 345.8 g is filled with 225 ml of carbon tetrachloride The weight of the flask and carbon tetrachloride is found to be 703.55 g Calculate the density in gml and gL
3 answers
Q: Which acid would you use if you wanted to make copper nitrate
3 answers
Q: Would copper melt in acid
3 answers
Q: What laboratory apparatus is used for drying salts
7 answers
Q: What are the ions present in nitrous acid
3 answers
Q: How many atoms are in calcium nitrate
2 answers
Q: Why cation is called as cation
3 answers
Q: When does oxygen stop how far up
2 answers
Q: Is phosphate a fat
3 answers
Q: Whta is the scientific symbol for sodium
3 answers
Q: How do the elements sodium and chlorine produce the compound sodium chloride
3 answers
Q: Is salt a fluid
4 answers
Q: What is the chemical composition of Dragendorff's reagent
8 answers
Q: How do alcohol made
3 answers
Q: What is the gas produced when metals react with acids
3 answers
Q: Which is the symbol of the element gold
3 answers
Q: Can hydrogen be radioactive
3 answers
Q: Who is the chemist responsible for the periadic table
3 answers
Q: Sublimation is a change of state from a solid directly to a what
3 answers
Q: What type of compound is ethyl acetate
3 answers
Q: How you increase the rate of filtration through gooch crucible
3 answers
Q: What standard state is hydrogen
3 answers
Q: How much is one mole of sulfuric acid
2 answers
Q: Do evaporation mean condesation
2 answers
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