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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: Which technique do scientists use to study the chemicals in chlorophyll
1 answer
Q: What color is sucrose in a flame test
1 answer
Q: What is the molarity of a solution that has 1.5 mol of sugar in 2 l of solution
5 answers
Q: Describe the difference between porosity and permeability
1 answer
Q: What will happen if sugar and water is poured through a filter paper
1 answer
Q: Acid rain does what to pH lakes
2 answers
Q: What are most used elements
2 answers
Q: Why NH3 is not an element
1 answer
Q: Do fabric contain carbon
2 answers
Q: Why is inhalant dangerous
1 answer
Q: What colour do you get after mixing the primary colours
2 answers
Q: What element does corn flour powder contain
1 answer
Q: How many molecules of THC does this 26 ug represent
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Q: Can an ionic bond two cations can bond together to form a compound
1 answer
Q: What is the common name of 4-bromo-3-methylheptanal
2 answers
Q: What is hard coal
3 answers
Q: How is chemistry physics and astronomy related
2 answers
Q: Would you expect the following equation to represent the mechanism by which ethane burns
1 answer
Q: When writing an ionic formula how do you indicate that a polyatomic group is present more than one time
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Q: How do you label the chemical equation using product reactions subscribing coefficient and yields
1 answer
Q: What is the name of group 3 to 12 on the periodic table
4 answers
Q: What is the colour of brass when it is heated
1 answer
Q: What is the composition of gases that make up the earths atmosphere
2 answers
Q: How do you tell if bracelet is solid gold
1 answer
Q: What compounds have the pH level of somewhere between 5 and 6
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Q: What can absorb black
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Q: Is paint combustible
2 answers
Q: What it was the purpose of Miller and Urey's experiment
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Q: Can hydrogen peroxide damage chrome plating
1 answer
Q: Why ethanoic acid is classified as a weak acid
1 answer
Q: Is ash acidic or basic
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Q: How many grams are there in 2 lbs
2 answers
Q: What is the best definition of the enthalpy of reaction
1 answer
Q: What happens for carbonate dioxide to sublimate at a given pressure
2 answers
Q: In which substance does chlorine have an oxidation number of plus one
1 answer
Q: What materials are these filters made off
1 answer
Q: What is called to the amount of energy needed to melt one mol a substance
6 answers
Q: What is the chemical formula dinitrogen tetrahydride
2 answers
Q: What causes the burning in your muscles when you have depleted all available oxygen
1 answer
Q: What is the most likely oxidation state of Al
12 answers
Q: Can aqueous Ammonia and Iron sulphate react
1 answer
Q: What does mining have to do with metal ores
2 answers
Q: How will you prove the nature of metal oxides
1 answer
Q: What are the main uses of iodine 131
1 answer
Q: Why was the hydrolysed fat mixture poured into a concentrated salt solution to precipitate soap
6 answers
Q: How do you separate gold from ore
1 answer
Q: What fluid is to help neutralize acids which may kill sperm
1 answer
Q: What are the most common things to rust
1 answer
Q: What is the oxidation number of br2o3
1 answer
Q: Is panning a chemical change or physical change
3 answers
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