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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 is the outside of an electrical cable made of plastic
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Q: What mineral is highly reactive and is used as a source of atomic energy for bombs and nuclear powered generating plants
2 answers
Q: How many centimeters are in a glue stick
1 answer
Q: What reacts to make Hydrogen and copper nitrate
1 answer
Q: Is water boiling on a stove a chemical
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Q: Are sugar from wax created by bees are chemical or physical change
1 answer
Q: Is painting a door a chemical change
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Q: What is Ph level of chia seeds
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Q: What could be separated by distillation or filtration
1 answer
Q: When potassium chlorate and sugar are combined with heat oxygen and expanding gases are produced making a what rocket
1 answer
Q: What fuel is mined from the earth that is almost pure carbon
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Q: What ore that is almost pure salt
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Q: What heavy element used in coins and jewelry
1 answer
Q: Is sodium laurel ether sulphate acid or alkali
1 answer
Q: What are the 3 things speed up dissolving
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Q: What liquid you use for dissolving
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Q: What are 3 ways water can cause destruction
1 answer
Q: Do small amounts of liquids fill a large container
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Q: When does a covalent bond form
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Q: What tools materials do biochemists need
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Q: What noble gas is used in light bulbs and photographs
1 answer
Q: What are byproduct of transesterification
1 answer
Q: What is HCl is an example of
2 answers
Q: Why can't we separate a solvent from solution by filtration
1 answer
Q: Hydrogen plus chlorine hydrogen chloride
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Q: What is the name of chemical inside the cell that oxygen is attached to
2 answers
Q: List two strong acids and explain why these acids are considered strong acids
1 answer
Q: Cereals in milk is a heterogeneous mixture
2 answers
Q: What is the difference between chemosynthetic autotroph and a photosynthetic autotroph
9 answers
Q: What is the chemical formula of an ionic compound that contains aluminum and chlorine
2 answers
Q: Countermeasures would likely be considered the most effective across all organizations
2 answers
Q: Is a quartz crystal made of ionic or covalent compounds
1 answer
Q: Is concrete made ionic compounds
1 answer
Q: What is the name of he combustion of sulfur
1 answer
Q: A droplet of pure mercury has a density of 13.6 gcm3. What is the density of a sample of pure mercury that is 10 times as large as the droplet
2 answers
Q: . Three different people weigh a standard mass of 2.00 g on the same balance. Each person obtains a reading of 7.32 g for the mass of the standard. These results imply that the balance that was used i
3 answers
Q: In diagram 2 water is flowing by osmosis both into and out of the cell because the concentration of water
1 answer
Q: LPG heating gases are lighter than air
1 answer
Q: What are the similarities of halogens and noble gases
1 answer
Q: The acid test tells whether a mineral is .
2 answers
Q: Will a double replacement reaction occur if a potassium hydroxide solution is mixed with a lead(II) nitrate solution if so write a net ionic equation for the reaction
2 answers
Q: What synthesizes cholesterol and fat
1 answer
Q: What colorless gas burns in oxygen gas
3 answers
Q: Can borax be used to unblock sinks
1 answer
Q: Chemicals and materials used in technical designs should be safe true or fals
1 answer
Q: In the mammalian fetus where does fetal blood exchenge carbon dioxide for oxygen
1 answer
Q: When atoms in a covalent bond share electrons equally the bond is said be
2 answers
Q: Why is it difficult to bond three phosphate groups to adenosine
1 answer
Q: What is the mass number of a carbon isotope that has seven neutrons
4 answers
Q: Red spheres represent oxygen atoms and green spheres represent chlorine atoms. Write a balanced chemical equation for the reaction
2 answers
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