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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: Why can some substances transition from a gaseous state of matter directly into a solid state of matter
2 answers
Q: How does iodized salt melt ice
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Q: How long does it take to break down chip packets
1 answer
Q: What phrase best descibes coal
2 answers
Q: Who does water form during cellular respiration
1 answer
Q: Where can hyaluronic acid be found
4 answers
Q: How would you dispose of harmful nuclear waste
1 answer
Q: Which chemical reduces oxygen in the blood causing a difference between the amount of oxygen the cells need and the amount of oxygen the blood cell can supply
2 answers
Q: What would the cathode be in a nickel and copper electrolyte cell
2 answers
Q: What should be the approximate pH and composition of aqueous system to dissolve benzoic acid
1 answer
Q: Which term is used to definr substances that participate in chemical reactions
8 answers
Q: About how long will it take for 100ml of water to evaporate at normal room temperature (about 23-25 degrees Celsius) not in direct sunlight in a well ventilated room
1 answer
Q: How much nitrogen do we breathe
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Q: What is the original matter
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Q: What is true about erogogenic acids
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Q: What equation is used to calculate the free energy change of a reaction
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Q: Which is more stable pure metal or its ore
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Q: What materials do you need for this science fair project why is salt put on icy sidewalks
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Q: What is methylene iodide used for
1 answer
Q: What colour is bromothymol blue in water
1 answer
Q: What rocks are highly susceptible to chemical weathering through acid rain
1 answer
Q: What happens to the structure of an atom to change the atom into an ion
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Q: What products are made when ethanol burns
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Q: What is the purpose of mining copper
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Q: How do the the phase diagrams for water and carbon dioxide differ
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Q: Why is stoichiometry used for
3 answers
Q: Why do symbols on the periodic table have two letters
2 answers
Q: What is the condensation polymerization reaction between 2 amino acids to form a peptide bond
1 answer
Q: Why is smoke considered a colloid
7 answers
Q: To burn a piece of paper why must the paper touch the flame
3 answers
Q: What is the odor of caesium
3 answers
Q: Does plastic substances releases any harmful substances when it exposes to sunlight
2 answers
Q: What Pathway bof oxygen in the breating system
2 answers
Q: Why does the soluion of copper sulphate remain coloured royal blue even after large number of dilutions
1 answer
Q: Who invented the flammable sign
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Q: Is nitric acid and acid neutralizer
3 answers
Q: What is bothering soda
1 answer
Q: What is the current level of CO2 in atmosphere and since when it is above the Upper safe limit
1 answer
Q: What is the part of the experiment that the researcher manipulates
1 answer
Q: Why are ions formed into a covalent bond
1 answer
Q: What kind of bond is O2F2
1 answer
Q: What is the percentage of iron in iron (111) chloride
2 answers
Q: Why is butanol less polar than methanol
3 answers
Q: HOW MANY ATOMS OF OXYGEN ARE REPRESENTED BY BARYTES
1 answer
Q: What is exceptionally risks bonds
1 answer
Q: Can silicon be a gas
2 answers
Q: What substance has bitter taste and feels slippery
2 answers
Q: How do you tell if it ls gold plated
1 answer
Q: What kind of reaction is 2Al plus 6HCl equals 2AlCl3 plus 3H2
1 answer
Q: What is NH2CH2CH2COOH
1 answer
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