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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 is the chemical compound for palladium (IV) bromide
2 answers
Q: What is a mixture in which layers are too small to be seen called
1 answer
Q: What indicators definitely show that a chemical reaction has taken place
3 answers
Q: Does phitosynthesis have methane
1 answer
Q: What is the EPA standard for chlorine in drinking water
1 answer
Q: Which part of the scientific method would come after the experiment
1 answer
Q: What is the element Lodine's compound
1 answer
Q: What type of bond will carbon not form with
1 answer
Q: What is a slow combination of a bright metal with sulfur and oxygen which produce a dark coating
1 answer
Q: How many atoms are in each element of NaOH
1 answer
Q: How many grams of potassium are present in 21.6 g of K2Cr2O7
1 answer
Q: Is exotic positive or negative or neutral
2 answers
Q: A 60.0 g sample of Na-OH is dissolved in water and the solution is diluted to give a final volume of 3.00 L what is the molarity of the final solution
1 answer
Q: What is a polatomic ion
1 answer
Q: Which two subatomic particles make up most of the atoms mass
6 answers
Q: How much magnesium in the human body
1 answer
Q: How much iron is in a paperclip
1 answer
Q: What does a nail clay and a straw have in common
1 answer
Q: Do amorphous solids have sharp melting points
1 answer
Q: Can minerals form form elements dissolved in a solution
2 answers
Q: Which metals can you melt in a Bunsen flame
3 answers
Q: What is the name of the compound sodium
1 answer
Q: How many grams of calcium is in a stick of chalk
1 answer
Q: Which form would best be classified as Postmodern
5 answers
Q: What is density of CO gas if 0.196 g occupies a volume of 100ml
2 answers
Q: How does technetium smells like
1 answer
Q: Indenify What mineral that would wear out the fastest
1 answer
Q: What does sulfur and tellurium
1 answer
Q: Is caesium non-polar solvents or polar
2 answers
Q: What elements is Teflon made of
1 answer
Q: What pH is sodium hypochlorite
1 answer
Q: What is the metal which it would be dangerous to add to dilute hydrochloric acid
2 answers
Q: Is mixing cornstarch and water a physical or chemical change
8 answers
Q: Why are they call primary colors
2 answers
Q: What is a symbol that shows the elements in a compound and the ratio of atoms
4 answers
Q: What sort of bond barium and iodine would form if mixed
2 answers
Q: What property changes from gas to liquid
2 answers
Q: What is a small theater that charged a nickel per person called
5 answers
Q: How do you determine the number of silicon atoms in 4SiO2
2 answers
Q: What is the ionic compound Be(HCO3)2
1 answer
Q: Which one of the following is not an example of a combination reaction.
1 answer
Q: What contains silicon and oxygen and usually one or more other elements
1 answer
Q: The most commonly requested types of leave are
2 answers
Q: What happens when water vapour cold
1 answer
Q: What is the percentage of nitrogen by mass in calcium nitrate
1 answer
Q: Why are covalent compounds more dangerous near an open flame
1 answer
Q: What are non examples of cations
4 answers
Q: When writing the chemical formulas for ionic compound which ion is written first
1 answer
Q: Why is the permanganate solution added slowly to hydrogen peroxide solution
2 answers
Q: Why are Na and Cl harmful alone but together aren't
1 answer
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