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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 synthesis means
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Q: What percentage of sulphuric acid is used in oil refining
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Q: How long does it take for a crushed alka seltzer to dissolve in water
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Q: If you have two solid substance that look the same. What measurements would you take and which tests would you perform to determine whether they actually are the same
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Q: What is the number of nitrogen molecules in 2.4 moles of N2
6 answers
Q: Will hydrogen peroxide help tooth infection
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Q: Can lactic acidosis cause a false positive blood alcohol test
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Q: What element in the cycling process involves
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Q: What liquid takes oxygen and glucose from the blood to other body cells
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Q: What is the starch and the glucose mixture supposed to represent
1 answer
Q: Why could glucose could pass through the visking tubing
2 answers
Q: What hapens if you acidentally taste battery acid
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Q: Is flour soluble in oil
10 answers
Q: How about prepare a solution of a 0.1N acetate buffer
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Q: What is the application of chemistry in national defence
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Q: What does 10wg os mean in jewelry
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Q: How Chemical equations are balanced by changing the subscripts of the molecule true or false
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Q: Is lime water an acids alkali or neutral
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Q: What are advantages and disadvantages of acids and bases
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Q: WHAT ARE THE chemicals called that are used to make a specmin visable under a microscope
1 answer
Q: Are ores mined because they contain beautiful substances
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Q: What is another word for biogas
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Q: What is an example of change of state
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Q: Why I2 is solid at 25celcius
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Q: How many molecules are in 60 g of ethane
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Q: What Three Things Stay The Same Before And After A Chemical Reaction
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Q: If you mix chlorine lithium and nickel together which two elements would be the most reactive
1 answer
Q: Is hard ketchup a physical or chemical change
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Q: Why solution of Na2CO3 is basic
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Q: What is consider neutral of pH
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Q: What characteristic shared between chlorine fluorine and bromine makes them have similar properties
1 answer
Q: What are the names of the products in photosynthesis chemical equation
2 answers
Q: What atom is present in many acid
6 answers
Q: Is bromine soluble in hexane
2 answers
Q: What are the correct coefficients when this chemical equation is balanced
1 answer
Q: Is this real gold
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Q: How many atoms are there in NH4NO3
1 answer
Q: How do you Choose the Flame Retardant Protective Clothing
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Q: Do all substances catch fire on same temperature. Give reasons
2 answers
Q: What is a 4 letter word that means container for liquid
3 answers
Q: What is the melting point of glass used as a substrate
1 answer
Q: What is the flame color of sodium nitrate solution
4 answers
Q: Is CCl4 covalent bond
2 answers
Q: Is copper when it turns green in the air a chemical change
2 answers
Q: What is the atomic number based on in the nucleus
1 answer
Q: What volume (in milliliters) of a 0.150 M salt water solution contains 0.500 g of NaCl
2 answers
Q: If mixture contains water solid calcium carbonate rock chips and a light oil. How would you separate and keep all three components
1 answer
Q: What color is hydrated copper chloride in water
1 answer
Q: If temperature of a gas tripled what happens to the volume
9 answers
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