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Chemistry
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.
221k
Questions
Q: What are carbon and silicon relevant to us
1 answer
Q: How many grams of phosphoric acid are required to react with 25.4 g of sodium hydroxide
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Q: In science what is substance
2 answers
Q: What element is tabla salt
2 answers
Q: What atomic mass does ekasilicon have
1 answer
Q: Why is sodium hydroxide stronger than ammonia
1 answer
Q: What is the most import rule in a laboratory
1 answer
Q: Why is freezing point a characteristic property of a substance
1 answer
Q: What chemical is given off in a burning flame
3 answers
Q: Why is an air freshener a good model for diffusion
1 answer
Q: What is the reaction of hydrochloric acid and phenolphthalein
1 answer
Q: What two atoms of oxygen join to form an oxygen family
2 answers
Q: What Type of coal is most like the organic matter from which it formed
1 answer
Q: Is candle wax an insulator or conductor
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Q: What type of scientist studies oxygen
2 answers
Q: What causes coal oil and gas burning
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Q: What process is this Oxygen moves the lungs into the bloodstream
1 answer
Q: What is the negative control in the lactose experiment
1 answer
Q: Are bushes a compound element or mixture
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Q: What is the name of HgBr2
2 answers
Q: What type of solid would be most soluble in benzene
1 answer
Q: If you were in charge
2 answers
Q: What is the empirical formula for iodine and rubidium
2 answers
Q: What is the empirical formula for calcium and sulfur
2 answers
Q: What is the empirical formula for iodine and calcium
5 answers
Q: What do you call a thin solids that allow certain substances to diffuse through them
1 answer
Q: What plant is electricity made in
1 answer
Q: Is Li2CO3 ionic or covalent
1 answer
Q: Is yogurt an emulsion
12 answers
Q: Do wastes such as carbon dioxide sulfur dioxide and nitrogen oxide enter the air they dissolve and create acid rain
1 answer
Q: Why is purple not a color
2 answers
Q: Is a pop can being crushed a physical change
7 answers
Q: Why isosmotic NaCl glucose urea and ammonium chloride produced different osmotic phenomena on RBC
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Q: Who is Desaga
2 answers
Q: What percent is carbon in human skin
1 answer
Q: Is polythene a mixture compound or element
1 answer
Q: What does negative change in entropy indicate
2 answers
Q: Is camphor ionic
1 answer
Q: How many oxygen atoms are in 20f2
2 answers
Q: What is clopidogrel used for
2 answers
Q: What is the energy decomposes mercuric oxide
1 answer
Q: What is compound formula for silver bromide
7 answers
Q: Can an atom make more than one bond
2 answers
Q: How minerals are distinguished from one another by their
1 answer
Q: What is NH3 is an example of
2 answers
Q: What is the mass defect of lithium-7 Assume the following Atomic number of lithium 3 Atomic mass of lithium 7.016003 atomic mass units. Mass of 1 proton 1.007276 atomic mass units. Mass of 1 neutron 1
1 answer
Q: Will methionine give lead acetate test
1 answer
Q: What are the applications of ferrous metals
1 answer
Q: What Ninety six percent of the human body is made of what elements
1 answer
Q: In the periodic table of elements what does B and Ge have in common
1 answer
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