2016届高一(7)班化学双语考试

2016届高一第一学期双语考试Multiple Choices1.The of matter describe the characteristics and behavior of matter, including the changes that matter undergoes.A PropertiesB CompositionC StructureD Mass2. A scientific model is a thinking device that helps you understand and explain observations.A SubmicroscopicB Macroscopic3.Sucrose is composed of the elements carbon, hydrogen, and oxygen. This is a expression of composition.A QualitativeB Quantitative4. A is matter, either an element or compound, with the same fixed composition and properties.A SubstanceB Mixture5. A is a combination of two or more substances in which the basic identity of each substance is not changed.A SubstanceB Mixture6. Alloys are .A Heterogeneous mixtureB Homogeneous mixtures7. Alcohol and gasoline are volatile than water.A moreB less8. Rusting is a chemical reaction in which combines with oxygen to form a new substance.A CopperB IronC ZincD Sulfur9. The space around the nucleus of an atom where the atom’s electrons are found is called the .A electron spherical regionsB electron layerC electron levelD electron cloud10. The second energy level is larger because it is farther away from the nucleus. It holds a maximum of electrons.A 2B 8C 18D 3211. Atoms are often stable when they’re bonded in compounds than when they’re free atoms.A moreB less12. Fluorine, attract shared valence electrons strongly than atoms such as sodium that have small electronegativities.A moreB less13. The bond formed by the two oppositely charged ions is classified as a mostly .A ionic bondB covalent bond14. In an atom, where is an electron located?A, in the nucleus with the proton B, on the periodic table of the elementsC, with the neutron D, in a cloudlike formation surrounding the nucleus15. What is the correct number of each particle in a fluoride ion?16. An example of compound is ______A. salt waterB. pure waterC. steelD. oxygen gas17.The density of a material is ____________A the mass of a unit volume of the materialB whether or not the material floats in a liquidC how much the material weighsD how much space the material takes up18. Which pair of elements reacts most readily?A. Li + Br2B. Li + Cl2C. K + Br2D. K + Cl219. What is the formula for the compound formed by calcium and nitrogen?A. CaNB. Ca2NC. Ca2N3D. Ca3N220. What energy changes occur when chemical bonds are formed and broken?A. Energy is absorbed when bonds are formed and when they are broken.B. Energy is released when bonds are formed and when they are broken.C. Energy is absorbed when bonds are formed and released when they are broken.D. Energy is released when bonds are formed and absorbed when they are broken.21. During a chemical reaction, ____________.A. new elements are producedB. atoms are destroyedC. atoms are rearrangedD. elements are destroyed22，The most abundant element in the earth is ________.A. oxygenB. nitrogenC. siliconD. hydrogen23. Which of the following is not always conserved during a chemical reaction?A. massB. atomsC. moleculesD. charges24.Which of the following results in two products, one is element and the other is compound?A. direct combination reactionB. decomposition reactionC. single-replacement reactionD. double-replacement reaction25.The numbers used to balance a chemical equation are calledA. superscriptsB. subscriptsC. formula unitsD. coefficients26.The formula for sulfuric acid isA. H2SB. H2SO3C. H2SO4D. H2S2O727.A positively charged ion is calledA. anionB. cationC. atomD. proton28.Ions that are formed from more than one atom are calledA. acidsB. moleculesC. monatomic ionsD. polyatomic ions29.Which of the following molecules provides an exception to the octet rule?A. COB. CH4C. H2OD. Cl230.The correct name for the hydrate CuSO4·5H2O isA. copper sulfide hydrateB. copper (II) sulfide pentahydrateC. copper (II) sulfate pentahydrateD. copper (II) sulfate hexahydrate31.When HCl gas dissolves in water, it forms an acid. The name for the acid isA. hydrogen chlorideB. hydrochloride acidC. hydrogen chloric acidD. bydrochloric acid32. In the following equations, which is redox reaction? ( )A.CaCO3+2HCl→CaCl2+CO2↑+H2OB.CaO+H2O→Ca(OH)2C.2KMnO4→K2MnO4+MnO2+O2↑D. CaCO3→ CaO+CO2↑33. In the following reactions, hydrochloric acid is oxidant in ( )A.NaOH+HCl→NaCl+H2OB.Zn+2HCl→ZnCl2+H2↑C.MnO22+2H2O+Cl2↑ D.CuO+2HCl→CuCl2+H2O34. Hydrochloric acid reacts with iron nails, hydrochloric acid is ( )A. an oxidantB. a reductantC. oxidizedD. none of above35. According to the valence of S in the following substances, which is wrong? ( )A. H2SO4 has oxidizing property.B. H2SO3 has reducing propertyC. H2S has oxidizing propertyD. H2S has reducing property36.In manufacturing foam rubber, we use the following reaction to get oxygen:2H2O2→2H2O+O2↑, H2O2 isA. an oxidantB. a reductantC. both an oxidant and a reductantD. neither an oxidant nor a reductant37. Prepare 2L 1.5mol/L of Na2SO4 solution, the mass of Na2SO4 solid we need isA. 213gB.284gC.400gD.426g38.The ratio of the number of Cl- in 0.5L 1 mol/L of FeCl3 solution to 0.2L 1mol/L of KCl solution isA.1:3B.3:1C.5:2D.15:239.Pour water in 30ml 0.5mol/L of NaOH solution to 300ml,and the amount-of-substance concentration of NaOH isA. 0.03mol/LB. 0.3 mol/LC. 0.05mol/LD. 0.04mol/L40. The number of protons is equal to the number of__________A. neutronsB. electronsC. the sum of neutrons and electrons41. The element is a kind of atoms which have the same number of ________A. neutronsB. electronsC. protonsD. nucleus42. When we want to get hydrogen in the lab, which of the following apparatus is not used?A. test-tubeB. alcohol burnerC. flumeD. gas jar43. Which of the following substances is composed of hydrogen molecule?A. H2SO4B. waterC. hydrogenD. HCl44. The outermost shell of X atom has 1 electron, Y has a valence of -2, the chemical formula composed of X and Y is________A. XY2B. X2YC. XYD. X6Y45. 4g Oxygen can react with ______g hydrogen.A. 1B.0.5C. 2D. 446. In the following equation: x C2H2 + y O2→ z CO2 + 2H2O The value of x, y and z in the balanced equation are____________A. 2, 4 and 1.B. 3, 8 and 2.C.2, 5 and 4.D.2, 3 and 4.47．Fe, Fe2+, Fe3+ have the same number of _________A. electronsB. protonsC. chargesD. atoms48. Element X ( atomic number 11) combines with element Y ( atomic number 16) to form a compound Z.which of the following statements are not correct?A. Z is an ionic compoundB. the chemical formula of Z is X2YC. when X combines with Y, each atom of X loses one electron.D. Y is metal and X is nonmetal49，An atom that has the same number of positively charged particles as another atom, but a different number of uncharged particles, is called a(n) ______.A. moleculeB. subatomic particlesC. isotopeD. neutron50，The number of particles in one mole is equal toA. atomic massB. formula massC. 22.4D. Avogadro’s number。