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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: What is the mole fraction of glycerol in a solution which contain 90g of water and 6.4g of methanol and 18.4g of glycerol
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Q: Acidic and basic conditions occur due to what reactions in the body
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Q: The area of science that studies tiny particles like atoms
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Q: When have you observed that salts are left behind when water evaporates
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Q: How did Marie maynard daly find out how cholesterol blocking your arteries can cause a heart attack
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Q: Is there bromine water discoloration at reaction with aqueous solution
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Q: What is the charge of an atom with 15 protons and 100 electrons
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Q: What substance is least likely to dissolve in water
1 answer
Q: What is the molar mass of 2AgNO3
3 answers
Q: Why does aluminium lose its shine when exposed to air
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Q: Which argument best explains the charge of an atomic nucleus
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Q: Why do atoms have no electric charge even though most of their particles have a charge
9 answers
Q: How many oxygen atoms does Ba(NO3)2 contain
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Q: How is sulphuric acid prepare by lead chamber process
1 answer
Q: What charge on the ion formed do nitrogen have
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Q: Is the milk of magnesia a pure substance or a mixture
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Q: What happens when fire touches hydrogen
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Q: Why do ionic compound have such high melting and boiling points
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Q: What is combined chlorine
1 answer
Q: Why aqueous potassium hydroxide leads to the formation of alcohols but alcoholic potassium hydroxide leads to the formation of hydrocarbon
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Q: How many words are in The Unwanted
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Q: What causes low potassium and oxygen levels
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Q: How would we determine the molecular weight for a molecule water h2o
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Q: What are the three elements that can be classified based on their properties
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Q: Why does silicon have such a high resistivity
1 answer
Q: What is the name given to the exchange of oxygen and carbon dioxide
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Q: Are all polymers made of chains smaller molecules
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Q: What compound will be formed between copper ion and carbonate ion
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Q: Why gold is corrosion resistant
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Q: Why can the fluid used to dry-clean clothing remove grease even when cannot
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Q: What is the percent by volume concentration of 78.9 mL of acetone in 1550 mL of an acetone-water solution
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Q: Why do most molecules have covalent bonds
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Q: How does pure ethanol smell
1 answer
Q: What kind of change is painting a wall
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Q: Where does oxygen gas production
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Q: What is the fiftieth element in the periodic table
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Q: How much tar in 25 grams of amber leaf
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Q: Which of the following best defines sense of self
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Q: What is the compound name for Ne3F5
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Q: Which has more dissolved gases in it-hot water or cold water
2 answers
Q: How many electrons does a carbonated ion CO32- have
1 answer
Q: How do use bond in a sentence
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Q: When tin chloride reacts with mercury chloride
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Q: What elements make up a steal knife
1 answer
Q: Which class ofchemical is linked to the decrease in the amount of ozone in the upper atmosphere of the earth
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Q: What is the difference between boiling and distillation
2 answers
Q: What is the composition of polymers
2 answers
Q: What is the colour of the flame when the hole is fully open on a Bunsen burner
2 answers
Q: Why are ionic compounds neutral even though they are made up of charged particles
2 answers
Q: What is meant by the term coefficient in relation to a chemical equation
1 answer
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