Chemistry Questions and Answers

  • Why doesn't glue stick to the inside of the bottle?
  • Why doesn't iron get oxidised in bessemer process?
  • Why doesn't iron, aluminium or steel react with hydrochloric acid?
  • Why doesn't ozone have two double bonds?
  • Why doesn't superglue stick to the inside of its container?
  • Why doesn't the addition of an acid-base indicator affect the pH of the test solution?
  • Why doesn't water boil in the microwave oven when it has past it's boiling point?
  • Why don't electrons spiral down towards the nucleus?
  • Why don't you have to accurately measure water in titrations?
  • Why electrons are shared between elements?
  • Why flames on a gas stove turn yellow orange when a samll amount of water boils over them?
  • Why fluorescent object glow in dark after expose to light ?
  • Why food become musty?
  • Why heating produced on compression of gases?
  • Why higher order reactions are not known in chemical kinetics?
  • Why I2(iod) doesn't solve in H2O but solve in C2H5OH?
  • Why is 80% acetone used in extraction process to determine antioxidants in fruit ?
  • Why is a carbon-hydrogen bond weaker than a carbon-deuterium bond?
  • Why is a change in pH considered pollution?
  • Why is a mixture of HCl and NaCl function poorly as a buffer?
  • Why is a nitrogen atmosphere necessary for palladium-catalyzed reactions such as Suzuki coupling?
  • Why is acetylsalicylic acid an acid?
  • Why is actin and myosin present in all samples?
  • Why is an Anion bigger than its original atom and a Cation smaller than its original atom?
  • Why is an atom described as an electrically neutral entity?
  • Why is antifreeze used in cars also "antiboil"? What is the solute in antifreeze?
  • Why is automatic mass for carbon listed in the perodic table as 12.01 amu.?
  • Why is Baking Soda an inorganic compound and not an organic compound if it contains carbon?
  • Why is barium sulfate insoluble???
  • Why is BCl3 a monomer and AlCl3 a dimer?
  • Why is BCl3 non-polar?
  • Why is beryllium metal (hardness 5.5) much harder than lithium mathal (hardness 0.6)?
  • Why is Bitrex added to Ethanol? Is it just to denature it or add value to ethyl alcohol?
  • Why is blue flame hotter than the yellow flame?
  • Why is boiling a bulk phenomenon and why steam has more energy than water at 100 degree C?
  • Why is BTB (bromothymol blue) green in a neutral water solution?
  • Why is Bubble Bath more vicous then vinegar! Scientific answer only, MUST Explain molecule movement(See inside
  • Why is bubble bath more viscous then vinegar??? Scientific answer Only and explain molecule movement?
  • Why is butane liquid in the can and gas when it hits the air? And why is it so cold?
  • Why is carbon dioxide a gas at room temperature but silicon dioxide is a solid?
  • Why is carbon dioxide a greenhouse gas? (in relation to chemical structure)?
  • Why is carbon-11 an unstable isotope?
  • Why is carboxylate ion a terrible electrophile?
  • Why is Ce mnore likely to form 4+ ions?
  • Why is charge usually transferred by protons?
  • Why is chemical treatment (alum, Cl2) of wastewater done at the endas opposed to the begininng?
  • Why is chemistry important to an understanding of physiology?
  • Why is chemistry so COOL?!?!?
  • Why is chlorine reactive and argon unreactive?
  • Why is cholesterol more soluble in organic solvents than in water?
  • Why is CNG called Compressed natural gas and not LNG ie Liquified Natural Gas like LPG?
  • Why is does magnesium +water equals to magensium hydroxide and not carbonate or magnesium oxide?
  • Why is energy required for the heating or boiling process?
  • Why is ethanol added to the reaction mixture of fat and base in the making of soap?
  • Why is ether used as the solvent during Grignard reactions?
  • Why is ethyne more reactive than ethane and ethene?
  • Why is finding the mass of a precipitate important in the real world?
  • WHY is fluorine so highly reactive?
  • Why is furan-2,5-dione not aromatic?
  • Why is gas pressure zero at absolute zero?
  • Why is haber process important?
  • Why is heating water to the boiling point considered a physical change for water ?
  • Why is high pressure liquid chromatography superior to other types of liquid chromatography?
  • Why is hydrogen necessary for our bodies ?
  • Why is hydrogen placed away frm all the elements ?
  • Why is it dangerous to leave a car engine running when the car is in a closed garage?
  • Why is it dangerouse to burn alkanes with limited oxygen supply?
  • Why is it important not to use coarse adjustment knob when the microscope is set under the high power objectiv
  • Why is it important to know why water oil and turpentine mixes? i mean common nobody is really gonna use that?
  • Why is it important to learn about solutions?
  • Why is it impossible to have liquid carbon? Are there any other elements that can't exist in other states?
  • Why is it incorrect to balance a chemical equation by changing the subscripts?
  • Why is it necessary to rinse the clean burette before filling it with the unstandardised NaOH solution ?
  • Why is it not allowed to dispose organic compounds directly into the sink?
  • Why is it possible to overdose on Vitamin A but not on Vitamin C?
  • Why is it preferred to use propanol as fuel than propene?
  • Why is it that glucose soluble but cyclohexane is not?
  • Why is it that humans dont blow up from the elements soduim and potassium?
  • Why is it that hydrogen gas has such a very low temperature even though it is covalently bonded?
  • Why is it that O3 floats above O2?
  • Why is it that the more exothermic a reaction the faster the reaction happens ?
  • Why is it that when solutions approach the titration equivalance point...?
  • Why is leather used in cars?
  • Why is limestone used in toothpaste?
  • Why is linear structure preffered to bent structure?
  • Why is NaCl very soluable in water while CaO is not?
  • Why is NaOH an arrhenius base but not a bronste-lowry base?
  • Why is nitrogen inert??
  • Why is only one acetyl group added to ferrocene in a acylation reaction?
  • Why is oxygen important in chemistry?
  • Why is oxygen binding curve of myoglobin and haemoglobin are hyperbolic and sigmoidal respectively?
  • Why is oxygen levels in hot water lesser than cold water?
  • Why is peptide bond is called to be partially double bonded?
  • Why is polystyrene solubility different in acetone and ethanol?
  • Why is polystyrene soluble in acetone but not in water?
  • Why is potassium an important mineral?
  • Why is potassium permanganate acidified?
  • Why is pre-heating the catalyst before starting the engine a problem?
  • Why is proline added to a substrate?
  • Why is qualitative data useful data? thanks?
  • Why is qualitative data useful data? thanks?
  • Why is qualitative data useful data? thanks?
  • Why is red cabbage an effective indicator for all pH values?
  • Why is rusting of metal a different kind of change than boiling water?
  • Why is salt sometimes added to roads in winter?
  • Why Is Science Made?
  • Why is sodium hydroxide a stable molecule?
  • Why is stearic acid insoluble but sodium stearate is soluble? Whats the difference that makes one soluble?
  • Why is suction filtration preferable to ordinary gravity filtration for separating the purified crystals..?
  • Why is sulfur allotropic?
  • Why is that a "biochemistry and Molecular Biology" major can also be taken with a chemistry major?
  • Why is the aqueous solution not added to the hexane solution?
  • Why is the boiling point of this alcohol so much higher than these alkene products?
  • Why is the bond energy of Cl2 243 kJ/mol greater than F2 is 159 kJ/mol, the bond energy & Br2 193 kJ/mol?
  • Why is the electronegativity of Calcium and Strontium the same as you Move down group 2?
  • Why is the flow one-way?
  • Why is the formula for maltose C12H22O11 Rather than C12H24O12?
  • Why is the keto form of the nucleotides more likely than the enol forms? also why was it the necessary form to
  • Why is the lattice structure of ice a tetrahedron?
  • Why is the melting and boiling point of aldehydes and ketones lower than similar size alkanes?
  • Why is the readius of Ca2+ larger than that of Ar?
  • Why is the receiving flask supposed to be kept on ice during the preparation of cyclohexene?
  • Why is the red phosphorus is more stable than the white phosphorus ?
  • Why is the sky blue?
  • Why is the structure for 4-ethyl-2,3,4-trimethyloctane like that?
  • Why is the threat of an exposion occuring ever present at a grain elevator?
  • Why is there a chemical reaction when you mix baking soda and vinegar together?
  • Why is there a need to use boiled distilled water in our titration experiment?
  • Why is there a red glow when carbon and copper (II) oxide is burnt?
  • Why is this method only suitable for making soluble salts?:?
  • Why is universal indicator never used for titrations?
  • Why is water wet ?
  • Why is water wet?
  • Why is water's heat capacity so much higher than that of gold?
  • Why isn't aluminum oxide a suitable buffer?
  • Why it is necessary handle lab equirement with care?
  • Why liquid methane has a higher entropy than liquid ammonia?
  • Why metallic sodium is stored in kerosene alone?
  • Why might function notation be important? Please explain your reasons?
  • Why might it be better to seperate substances by a physical changes rather than by chemical changes?
  • Why most of the covalent bond have chemical formula that cant be predicted like the ionic bond?
  • Why most of the energy in the body stored as ATP, why not in other molecules like UTP, other??
  • Why most of the times we find elements reacted or made to react with oxygen ,hydrogen and chlorine only ?
  • Why must chemical equations be balanced.?
  • Why must proteins be denatured before electrophoresis?
  • Why must the acetone be anhydrous and the test tubes dry for the test with sodium iodide?
  • Why must the solutions to be mixed have to come to the same temperature?
  • Why must you remove the separatory funnel lid when releasing the lower phase in liquid-liquid extraction?
  • Why nitrogen can burning?
  • Why nitrogen is more nucleophilic than oxygen?
  • Why not synthesize 4-chlorophenoxyacetic acid by reacting with sodium 4-chlorophenolate and chloroacetic acid?
  • Why not water?!?
  • Why oxygen is important in chemistry?
  • Why salt crystals hold so well?
  • Why salt must be added to the ice bath?
  • Why should a magnesium ribbon be cleaned with sand paper before burning it?
  • Why should the moles of potassium bicarbonate and potassium chloride produced the same?
  • Why should the moles of potassium bicarbonate and potassium chloride produced the same?
  • Why should we learn chemistry? what is the point?
  • Why soil and sea water are mixture?
  • Why steam burn is dangerous than a heat burn?
  • Why the cloudy colour disappears when the HCl is added to the following equation after adding Ba?
  • Why the skin the african people is black ?
  • Why the value of magnetic moment from experiment is lower than the calculated value?
  • Why there is no reaction of bromobenzene toward Iodine by simple mixing?
  • Why titanium is called strategic metal?
  • Why Titanium is lighter than steel?
  • Why tyres are black in colour?
  • Why viscosity of ethanol increases from 10% to 50% and then decreases from 60% to 100%?
  • Why was Dmitri Mendeleev's periodic table accepted as a useful way to organize the elements?
  • Why was GHB invented??
  • Why was Mendeleev able to predict the properties of the elements that belonged in the blanks in his table?
  • Why was oxygen discovered when it was discovered?
  • Why water is wet?
  • Why water(H2O) can get fire?
  • Why we need iron , sulfur , nitrogen , sodium ,silicon,chlorine,fluoride,phosphorus,zinc,magnesioum , chlorine
  • Why we need potassioum ,hydrogem?
  • Why we use acetic acid, acetic anhydride or acetic anhydride and sodium acetate in water for acetylation?
  • Why we use zn in dry cell?
  • Why when dry ice is put in water it turns to gas without turning to liquid?
  • Why when ethyl alcohol and water are mixed do they lose volume?
  • Why when you make ice cubes do you get white crap at the bottom of your glass when they have melted?
  • Why white ppt diposited in stainless steel tank?
  • Why will a reaction that forms a very weak electrolyte not form an equilibrium reaction?
  • Why will a reaction that forms a very weak electrolyte not form an equilibrium reaction?
  • Why will a reaction that forms a very weak electrolyte not form an equilibrium reaction?
  • Why will a reaction that forms a very weak electrolyte not form an equilibrium reaction?
  • Why will the crucible and its contents gain mass as a result of heating a substance in air?
  • Why would a buffer change pH with dilution?
  • Why would a small battery heat up?
  • WHY would a solution like a low pH buffer added with 5 drops of NaOH, show a significant change in pH?
  • Why would an ionic compound be more likely to dissolve in water than in oil?
  • Why would i use bleach, vinegar and salt to break down tiolet paper?
  • Why would it be difficult to observe a positive ceric nitrate test on an old diet coke?
  • Why would making the same cake recipe in different states affect the "rising" of the batter? why?
  • Why would this happen...?
  • Why would zinc powder burn more vigorously in oxygen that zinc foil?
  • WHY? is some liquids more viscous then others??
  • WHY? Is Syrup more viscous then Oil??? Scientific answer please?
  • Whycdoesnt fluorine combine chemically with nitrogen, chlorine, or oxygen???


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