S.Yashwanth and Anirudh KulkarniX DQuiz Show1The questions are open to everybody.The questions will be from and out of the text.The person who answers her/his question will get full marks.Some questions will be true and false.Some will be match the following.Some will be MCQs.And, some will be one word or sentence answers.Some questions will also be asked from the ninth standard text.Yes, and no cheating!

Instructions2The reaction between hydrogen and oxygen is an exothermic one.TRUE or FALSE?TRUE or FALSE?3Nitrous Oxide makes us laugh.TRUE or FALSE?TRUE or FALSE?What is the name of the reaction in which there is an exchange of ions between the reactants?Double displacement reaction5What is the name of the product formed when zinc is heated in an evacuated vessel?Liquid ZincWhat is the symbol of Platinum?PtWhat happens when you expose zinc to steam?It reacts with the water in it to form zinc oxide and hydrogen.What is the valency of carbon and what is so special about it?Four. It can join with other carbon atoms and form long chains of polymers.What is a molecule?A combination of atoms of an element or elements that is capable of stable and independent existence. What is a mole and what is its value?A unit of measurement6.022x1023 11What is Aqua Regia?All of the aboveBaseAcidMixture of Copper sulphate, Ferrous sulphate, Lead Chloride, Sodium Hydride and water used as a colorant A mixture of Hydrogen chloride and nitric acid used to dissolve noble metals.A.B.C.D.E.12What is the gas that makes us laugh?All of the aboveOxygenNitric OxideNitrogen OxideNitrous OxideA.B.C.D.E.What is the balanced equation of Fe + H2O Fe3O4 + H2?None of the Above3Fe + 4H2O Fe3O4 + 7H22Fe + 5H2O 2Fe3O4 + 5H2Fe + H2O Fe3O4 + H23Fe + 4H2O Fe3O4 + 4H2A.B.C.D.E.What is the valency of Fluorine?None of the above4321A.B.C.D.E.15What is the valency of phosphorus?None of these2,12,53,43,5A.B.C.D.E.What is the symbol of Gold?None of thesePtArAgAuA.B.C.D.E.GoldPlatinumAluminumSulphurNitrogen33002Match the valencies of the elements:18The valency of Gold is 0.TRUE or FALSE?TRUE or FALSE?What happens in a cell connected to a bulb or something?Chemical reactions rip apart electrons from atoms and produces a current.Where do liquid nitrogen, liquid argon and liquid oxygen separate out according to their boiling points?Fractional Distillation ColumnWhich state of matter is easily compressible?GaseousWhich mythical ape-being is also known as sasquatch? (As stated in the Instructions- from and OUT OF THE TEXT)BigfootEating onions and garlic helps your hair grow.TRUE or FALSE?TRUE or FALSE?What is the transition from solid to liquid form of a substance called?FusionWhat is the technical term for sneezing?Sternutation (Back to text) What is the technical term for naming an element?NomenclatureBalance the equation: Cu + O2 CuO2Cu + O22CuOWhat is the technical term for rusting of iron?CorrosionWhat happens if we breathe in NO2?We laughWhich acid is formed when concentrated H2SO4 reacts with NaCl?HClWhich acid is present in curd?Lactic AcidWhy do some milk vendors add calcium carbonate to milk?To prevent the formation of lactic acid, thereby preventing it from curdling.What was the reason Concorde was discontinued? Its supersonic speeds were causing noise pollution.Which type of reaction is Fe2O3 + 2Al Al2O3 + 2Fe?Displacement ReactionWhat is the formula for Slaked Lime?Ca(OH)2What is the formula for methane?CH4What is the most abundant compound in the earths crust?Silicon Di-oxide SiO2What is the most abundant noble gas in the atmosphere?ArgonWhich substance is the most abundant organic compound on earth?CelluloseWhich Chevrolet car was used to portray Bumblebee in the movie Transformers? Chevrolet CamaroWhat were the two compounds of sulphur that were the result of the decomposition of Ferrous Sulphate?SO2 and SO3Why is the amount of gas collected in one of the test tubes during the electrolysis of water in activity 1.7 double of the amount collected in the other?Because Hydrogen and Oxygen are in the ratio of 2:1What happens when you mix a base and an acid?Heat, a salt, and water are formed.neutralizationBalance the following equation: NaOH + Zn Na2ZnO2 + H22NaOH + Zn Na2ZnO2 + H2What was the name of the scientist who discovered the Periodic Table?Dmitri MendeleevName all the noble gases.Argon, helium, neon, krypton, radon, xenon.Thank you. =D