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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 do you call the end of a straw wrapper that a waiter leaves on your straw when serving your drink
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Q: Is a shape an element
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Q: What is true about metals used for jewelry such as platinum and gold
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Q: Why is oxygen important in using up the nutrients of the food we eat
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Q: What are the products in hydrogen peroxide when it is broken down by catalase
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Q: Why does particles of insoluble titanium dioxide sink to the bottom of the paint
3 answers
Q: Is Purex a bleach
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Q: What is the third quantum number of a 3s2 electron in phosphorus
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Q: Which condition applies when water boils at 100 degrees Celsius
1 answer
Q: What does stressing an equilibrium system mean how is stress applied
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Q: Is it true that If a reaction in one direction releases energy the reaction in the opposite direction cannot occur
1 answer
Q: How prepare 1N sulphuric accid
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Q: What type of bonding around a central would result in a trigonal planar molecule -apex
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Q: Do chlorine block enzymes
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Q: WHAT IS THE DIFFERENCE BETWEEN PTFE AND TFE
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Q: What does PD stand for on silver necklace
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Q: What statement accurately describes the molecule Br2
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Q: Why would a molecule be non polar even if its bond are all polar
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Q: What best describe the enthalpy of formation of a substance
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Q: At which temperature would a reaction with H-92kJmol S-0.199kJmol(mol.K) be spontaneous
2 answers
Q: How is temperature affect the spontaneity of a reaction with positive H and S
2 answers
Q: What is the ionic equation for FeCl2(aq) Na2CO3(aq) arrow FeCo3(s) 2NaCl(aq)
1 answer
Q: Which element does not normally form chemical bonds
6 answers
Q: Why does oxygen diffuse into cell
1 answer
Q: What will happen to the powdered sulfur when heat was applied
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Q: How can we prepare potassium chromate
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Q: What are the characteristics of solution in science
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Q: Does mealie meal dissolve in water
9 answers
Q: Is a gold bar pure or mixture
2 answers
Q: Is baking soda a nonmetal
1 answer
Q: What could be a third quantum number of a 2p3 electron in phosphorus 1s2 2s2 2p6 3s2 3p3
1 answer
Q: Why fallen leaves does not turn blueblack on being tested with iodine
1 answer
Q: What color tube for digoxin
1 answer
Q: Can candle wax dissolve in gasoline
1 answer
Q: Is polyester degradable
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Q: How do I thicken white glue
1 answer
Q: Does chlorine react with potassium chloride
1 answer
Q: What is the difference between a naturally occurring solution and a manufactured or processed solution
3 answers
Q: What is a characteristic of glass
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Q: What is a tray for hot coals called
1 answer
Q: Can separated filtration yes or no salt
2 answers
Q: Why is it bad to use phytomining
1 answer
Q: What is aluminum nitrite made of
2 answers
Q: What are the examples of environmental chemistry
1 answer
Q: Why do we use sprinkle water on cotton clothes before ironing
1 answer
Q: Why is sodium dried before ignition
1 answer
Q: What is 175 grams equal to in pounds
3 answers
Q: What class of elements includes all the elements that are gases in room temperature
1 answer
Q: How would baking soda react to yogurt
1 answer
Q: What is the arrangement of water molecules in a solid
2 answers
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