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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: Is a pH greater than 7 a base or an acid
2 answers
Q: Is a candle melting a physical change or a chemical change
2 answers
Q: What is an nutrient that contains nitrogencarbonhydrogenand oxygen
1 answer
Q: What are the families of sodium and calcium
2 answers
Q: What factors cause the level of dissolved oxygen in water
1 answer
Q: When table salt is added to water the ionic compound dissolves. Does this represent a physical change or a chemical change
2 answers
Q: What is the maximum number of formula units of NaCl in one mole
1 answer
Q: What group number does the noble gasses belong to
2 answers
Q: What do sulfur oxides combine with to create nitro acid and sulfuric acid
2 answers
Q: What do you plant cells use to produce glucose and oxygen
1 answer
Q: What is the process where oxygen is reacted to produce heat and light called
1 answer
Q: How do you use homoglobin in a sentence
1 answer
Q: When iron reacts with oxygen to form rust each iron does what
2 answers
Q: Are elements Li and F similar
2 answers
Q: What is a heterogeneous mixture containing a liquid in which visible particles settle
1 answer
Q: What is another word for sugar phosphate
1 answer
Q: What goes in a pot hot then goes into the fridge hot and comes out hot what is the answer
1 answer
Q: What is the mass of 1.474 mol of potassium sulfide
1 answer
Q: What is the mass of a marker
2 answers
Q: How many water molecules (H2O) can be produced from 6 molecules of hydrogen gas (purple) reacting with 6 molecules of oxygen gas (turquoise)
2 answers
Q: Which is the chemical equation for burning gasoline
1 answer
Q: What occurs when rock is exposed to oxygen
1 answer
Q: Why would it be useful for a gardener or a vegetable farmer to use litmus paper to test soil samples
1 answer
Q: What happened when bromine water was shaken with the gas produced
1 answer
Q: What acid can metal stone and other substances
1 answer
Q: What element does hydrogen bromide contain
1 answer
Q: Why do people use lubricants
1 answer
Q: How does Na Br2--NaBr balance
6 answers
Q: What stores chemical energy
3 answers
Q: Is xenon pentafluoride ion polar or nonpolar
5 answers
Q: Periodic table help scientist discover what
1 answer
Q: What is the oxygen ion in the ionic comping aluminum oxide A12O3
1 answer
Q: How do you prepare 1N alcoholic koh solution
1 answer
Q: What a is corrupting matter
1 answer
Q: Will this entropy change by positive or negative water heating on a stove
2 answers
Q: What does the 2 indicate in the formula mgbr2
1 answer
Q: How many atoms of each element make up only one molecule of borax
11 answers
Q: Why do bottles of oven cleaner have a safety lables
1 answer
Q: What is the type of acid present in human stomach
1 answer
Q: What is the contributor of nitrous oxide
1 answer
Q: What is the ionic formula for Rb and N ions
1 answer
Q: How did the development of the earliest idea about atoms differ from the later work of scientists
2 answers
Q: Should a leather sofa with a fingerprint on it be developed my a chemical or a powder
1 answer
Q: Is cordial a solute or a solvent
1 answer
Q: What form of mass movement occurs when a pasty mix of water and sediment moves downhill
2 answers
Q: What is a balanced chemical equation of Solid barium carbonate decomposes into solid barium oxide and carbon dioxide gas
1 answer
Q: What are mineral salts containing the element phosphorus
1 answer
Q: What is o2 is it one atom of oxygen and two of oxygen
1 answer
Q: Can a smoke bomb kill you
1 answer
Q: Does gold bond body powder stain clothes
1 answer
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Trending Questions
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