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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 carbonate or bicarbonate is common in antacids
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Q: Which was not produced by volcanic out gassing water vapor carbon dioxide sulfur oxygen
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Q: What is the pure substance of sulfur hexafluoride
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Q: Is silver chloride AgCl a mixture
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Q: A technician accidentally spills a cleaning solution on the floor of the workshop. Where would the technician find instructions on how to properly clean up and dispose of the product
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Q: What is contained in the air that you inhale
1 answer
Q: Why does the substance in the column of the thermometer go up when it is heated
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Q: What two factors determine the point which a liquid will boil
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Q: Is coin made from nickel and copper a solution
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Q: Why two layer of liquid formed in lucas test
1 answer
Q: Which compound is normally used as a drying agent for ammonia
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Q: Why farmers add slaked lime to acidic soils
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Q: What is the percent composition of calcium oxide
1 answer
Q: What precaution must be taken to avoid contaminating the dropper for potassium chromate with lead III nitrate on a watch glass
1 answer
Q: What is an attomole
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Q: What happens to naphthalene ball when heated
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Q: What is the standard readings for free chlorine and total chlorine
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Q: Who was the first scientist to synthesizes an organic compound
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Q: Why substances pass in and out of stomata
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Q: What happens if you mix bromphenol blue and NaOH
2 answers
Q: Is ammonia solute or solvent
4 answers
Q: What is the first quantum number of the 3p1 electron in aluminum
2 answers
Q: What Substances have the greatest ductility
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Q: Are Halogens An alkaline solution
1 answer
Q: What would be the percent yield of the reaction be if the theoretical yield is 11.22 g but the actual yield was 8.67 g
3 answers
Q: Which formula contains the elements carbon hydrogen and oxygen in the ratio 1 2 1
2 answers
Q: What are the 6 types of stoichiometry problems
1 answer
Q: What happens when limestone (calcium carbonate) is heated
1 answer
Q: Why is the second ionisation energy of oxygen more than fluorine
1 answer
Q: How many moles are in 5.0 x 1025 atoms of iron
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Q: Does taking meth kill sperm
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Q: What is the colour of aluminium carbonate solution
1 answer
Q: What is the partial pressure of oxygen in blood gas a mixture of N2 O2 and CO2 if the partial pr. of Nitrogen 630 mm of Hg and partial pressure of CO2 is 39 mm of Hg
2 answers
Q: What type of metal is the tank that is used to transport sulphuric acid
1 answer
Q: What is chemical equation ethyl iodide plus aq.KOH
1 answer
Q: Which piece of information do you need to determine whether a molecule is an alkene or alkyne
2 answers
Q: When the equation silver nitrate zinc chloride is complete the number in front of silver nitrate is
1 answer
Q: What noble gases have the most in common
7 answers
Q: How is matter organized into substances mixtures elements and compounds
1 answer
Q: What is the meaning of dilute in science
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Q: What is the meaning of concentrated in science
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Q: What factors affect the amount of the urine the body releases
2 answers
Q: What is potash in agriculture
1 answer
Q: What is the third quantum number of a 2s2 electron in phosphorus 1s2 2s2 2p6 3s2 3p3
2 answers
Q: Give the arrhenius definition of bases
1 answer
Q: How do you achieve accurate titration
1 answer
Q: What is the difference between peptone water and the saline
1 answer
Q: Which functional group is within the compound shown below R NH2
9 answers
Q: Is water vapor less dense then water
5 answers
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