Chemistry Questions and Answers

  • Is brass a compound, element, or mixture?
  • Is brass an element, compound, or mixture?
  • Is brass ferrous or non - ferrous ??
  • Is C.N.G. an effective substitute for petrol and diesel?
  • Is calcium a strong base or a weak base and why?
  • Is CaO soluble in water?
  • Is carbonic acid (H2CO3) soluble?
  • IS Chloral illegal?
  • Is cholesterol a trygylceride and is cysteine a sulfhydryl?
  • Is cyclohexene aromatic?
  • Is distilled water a compound, element, or mixture?
  • Is every chemical compound either acid or alkali except for water?
  • Is fart endothermic energy or exothermic energy?
  • Is fart endothermic or exothermic? prove.?
  • Is feces (human or otherwise) flammable and/or explosive?
  • Is Feron or Fearon an element or a compound?
  • Is Fimo (polymer clay) waterproof?
  • Is fire gas, liquid or solid?
  • Is fire solid/liquid or gas??
  • Is fluoride poisonous ?
  • Is flux core solder toxic?
  • Is foam (and other polystyrenes) a fibrous substance? a yes or no answer would be fine. seriously.?
  • Is freezing enthalpically favorable?
  • Is glue biodegradable?
  • Is heating of naphthalene a chemical or a physical change?why?
  • Is heating of naphthalene a chemical or a physical change?why?
  • Is helium a gas or liquid at room temperature and pressure?
  • Is helium a pure substance or mixture?
  • Is hexane a pure substance or a mixture?
  • Is Hydrochloric Acid a common "carrier" for manufactured drugs?
  • Is hydrogen isocyanide (HNC) an organic or inorganic compound ?
  • Is infrared radiation good for drying clothes and bras?
  • Is iodine a mixture or a pure substance?
  • Is is possible to separate the oxygen in CO2 and then do something useful with the carbon?
  • Is it advisable to reuse overheated hydraiulic oil?
  • Is it advisable to use the temperature of solidification as the melting point of a solid? Why?
  • Is it any difference precipitate and extraction with methanol and ethanol?
  • Is it harmful using aluminium utensils for cooking?
  • Is it legal or possible buy kevlar 49 fabric?
  • Is it possible for a crystal vase to get rust on it? If so how to clean it?
  • Is it possible that more than one electron be transferred in an ionic bond?
  • Is it possible to "reactivate" activated charcoal once it is dirty?
  • Is it possible to calculate the volume of tears?
  • Is it possible to change hard water to soft water without necessarily decreasing or increasing its TDS?
  • IS it possible to chemically remove a stain from paper?
  • Is it possible to create a drop of water from Hydrogen + Oxygen ?
  • Is it possible to have 0 pH?
  • Is it possible to have a concentrated weak acid?
  • Is it possible to have an adiabatic process with a temperature change? why or why not? give two examples?
  • Is it possible to ice skate on other materials such as frozen carbon dioxide?
  • Is it possible to make Nitromethane in the lab or at home?
  • Is it possible to run out of uranium and plutonium if it is all used for nuclear power?
  • Is it really true that a cola when mixed with mint can kill a person?
  • Is it safe to mix hydrogen peroxide and acetone?
  • Is it true that if you put hot water in the freezeer it will freez faster than cold water.?
  • Is it true that saccharin was invented as a ant poison rather than a sweetener....?
  • Is K3Fe(CN)6 (potassium ferricyanide) a carcinogen?
  • Is KOH and NaOH a stong base or weak base?
  • Is lacquer thinner safe to use as a fuel injector cleaner? (Answer only if you have actual knowledge...)?
  • Is lead the only type of thing that is considered radation proof?
  • Is Lead(III) nitrate Fe(NO3)3 or Fe2(NO3)3?
  • Is Liquid Carbon Dioxide a good propellant for Aerosol Sprays?
  • Is Liquid Nitrogen is explosive?
  • Is Lithium considered an isotope, why or why not?
  • Is Lsd and acid the same thing?
  • Is Lye a base or an acid?
  • Is magnesium oxide base or neutral? how about magnesium?
  • Is methanol a nonelectrolyte?
  • Is Neptunium found in nature or only in a step in plutonium production?
  • Is nitrus-oxide dangerous/addictive?
  • Is nylon a fibrous substance?
  • Is OH a...?
  • Is Ozone a allotroph of oxygen?
  • Is paint strianis removal from tinplate?
  • Is pandan good as floor wax and cockroach inhibitor?
  • Is Pb [Lead] transparent to alpha rays? My teacher agrees but my book does not...HELP!?
  • Is Pb(NO3)2 soluble or insoluble?
  • Is PbCrO4+KI+HCl= PbCl2 + CrCl3 + KCl + I2 a correct equation?
  • Is plating Ni over Solder (63-37) possible? What are the disadvantages? Reliabilty?
  • Is potassium chloride the same as potassium?
  • Is potassium chloride the same as potassium?
  • Is potassium hydroxide produced when bananas decay?
  • Is restoring rancid butter safe?
  • Is sodium a metal?
  • Is sodium acetate just regular salt?
  • Is sucking the helium out of a balloon bad for your health in any way?
  • Is that true that only few of 421 chemicals in Marijuana resin are responsible for producing "high"?
  • Is the density of a person change?
  • Is the dissolution of sucrose in water due to miscibility or ionic dissociation?
  • Is the end point the point in which the solutions are neutral and the neutralization processes come to an end?
  • Is the following reaction endothermic or exothermic and why?
  • Is the uptake of the ambient concentration of nitrate easier than if nitrate is present in the eneviornment?
  • Is there a 5th degree burn?
  • Is there a chemical equation for this reaction?
  • Is there a chemical formula for a tasty Bran Muffin?
  • Is there a chemical I can paint over certain words to keep it from being photocopied?
  • Is there a chemical that has an MSDS rating of 4-4-4-K?
  • Is there a detailed table containing relation between H2SO4 conc.,PH / or H ion conc., and sulfate ion conc.?
  • Is there a difference between an atomic bomb and a nuclear bomb?
  • Is there a difference between natural gas and propane gas?
  • Is there a difference between Selenium and Selenium Sulfide?
  • Is there a difference in caloric values between saturated and unsaturated fats?
  • Is there a formula to convert micromol/l concentration to ng/ml?
  • Is there a process that can reverse rust, turning it back into iron?
  • Is there a site i can go on to learn what the letters stand for on the periodic table?
  • Is there a substance with 3 carbons, one phosphorus, and one oxygen? (C3PO) Please nothing from star wars.?
  • Is there a tenth planet?
  • Is there a test for methanol which isn't triggered by ethanol?
  • Is there a theory behind the pH value of the fruit juice and the setting of the jelly?
  • Is there a way to change a ketone to an alcohol in Organic Chemistry?
  • Is there a way to make Keif without a screen?
  • Is there a website that will calculate stoichiometry questions?
  • Is there a website were i can get some sodium acetate for free? If so please give me the site!?
  • Is there an acid so corrosive in nature, it could even erode its way onto glass, diamond or gold?
  • Is there an advantage between?
  • Is there an average size for a drop of water or are they all the same?
  • Is there an easy way to memorize the polyatomic ions and acids?
  • Is there any alternative to using helium to make balloons float?
  • Is there any carbon indicator that you can find/do at home?
  • Is there any differance between atomic mass & atomic weight?
  • Is there any difference between molarity and molality of solutions? If so what is the difference?
  • Is there any difference between molarity and molarity solitions? If so what are the differences?
  • Is there any elements or componds harder than dimemonds?
  • Is there any kind of bread,does not expand when left in liquid?
  • Is there any phosphene gas is chemistry?
  • Is there any relevant website on the removal of chlorine and chlorination?
  • Is there any way to make some KNO3 (potassium nitrate)?
  • Is there any way we can detect hydrogen gas in the air?
  • Is there ever a time where EDTA and a metal ion are not in 1:1 ratios?
  • Is there ever an accurate atomic mass number for each element?
  • Is there such a thing as phosphoric acid poisoning?
  • Is this a disproportionation reaction? If it is, why?
  • Is this an exothermic or endothermic reaction?
  • Is this carbon footprint stuff?
  • Is this product aqueous or solid?
  • Is this reaction possible,Cu + ZnSO4 ?Explain ?
  • Is this view consistent with using the scientific method?
  • Is tree sap flammable?
  • Is tungsten an element, compound, or mixture?
  • Is Units of the rate constant of a reaction independent of the overall reaction order?
  • Is valence the tendency of atoms to combine with other atoms? Or is it # of electrons in its outer shell?
  • Is water an oxidizer?
  • Isomers are molecules that share the same formula and have what?
  • Isotope confusion?
  • Isotopes of an element have the same number of ______ and different numbers of ______.?
  • Isotopes of calcium?
  • It is desired to increase the volume of a sample of neon gas from 90.0 to 115 cm3 while holding the pressure?
  • Its Long so look below:?
  • J-E-L-L-O Question!!?
  • Joules of heat energy?
  • Just a chemistry question...see the details.?
  • Just started chem :/?
  • Justify why the following statement is true?
  • KHP and Moles of OH- Question...?
  • Kinda hard titration question...?
  • Kindly briefly explain why science is a process and a product?
  • Kinetics question?
  • KSCN(aq) +Fe(NO3)3(aq) --> K+(aq) +FeSCN+2(aq) + NO3-(aq)...i want to add NaF to this solution...?
  • Lab scenario question?
  • Laboratories that measure Capsaicin?
  • Laboratory apparatus?
  • Laboratory equipments?
  • Lanthanide contraction controls the atomic sizes of elements of 6th & 7th period.give reason.?
  • Last one before I sleep! Solubility Question! Quick!?
  • Latest breakthroughs in the field of Chemistry?
  • Lattice energy?
  • Lava lamps?
  • LDH chromatography using AMP-sepharose, the LDH eluted out is much lesser than anticipated. wat is the reason?
  • LeChatelier's Principle applies to which of the following systems?
  • LeChatelier's Principle applies to which of the following systems?
  • Lewis Dot Structure for NO2-, Electron Geometry and Bond Angle?
  • Lewis structure of calcium carbonate?
  • Like dissolve like right? So ionic bond would dissolve to?
  • Limestone formed?
  • Limited Reactants?
  • Limiting reagents with lots of conversions?
  • Liquids generally have lower density as compared to solids . But why ice floats on water ?
  • List 4 points to compare and/ or contrast the two main types of bonding; ionic and covalent?
  • List the M.Tech courses to join after M.Sc pharmaceutical chemistry? Also mention the paper to write in gate?
  • Lithium in wekipedia?
  • Lithium reacts with water?
  • Lol sodium acetate prank would it work?
  • Longer chem question please help?
  • Longest wavelength of light that can break the Cl-Cl bond inCl2 is 495 nm.?
  • Looking for Experiment ideas?
  • Lowering resistance and increasing conductivity in water?
  • Make the fallowing conversions in each case tell whether the solution is acidic or basic?
  • Make your own battery?
  • Making a Silver Mirror?
  • Maldi tof peak analysis at 827.61,871.63,953.54, 666.12,681.66 nm of microcystin?
  • Mass numbers, and neutron numbers for Al.?
  • Mass numbers, and neutron numbers for Fe.?
  • Mass of flask, boiling stone, foil cap, and unknown after cooling, g 83.350?
  • Mass percentage?
  • Mass-Volume Relationships Problem Question?
  • Mat sci question?
  • Match Molecules To Hybridization?
  • Match the term to its definition.?
  • Matter in its higher energy state tends to be unstable.?
  • May i ask the latest researches (2003-2006) on fisheries with the application of organic chemistry?


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