最新化学专业外语练习题.docx

1、最新化学专业外语练习题1、c Which of the following belongs to phosphate?( sodium phosphite)(a) PH3 (b) Na3PO3 (c) Na3PO4 (d) P2、b 1H and 2H are _ and occupy the same position in periodic Table.(a) isomers (b) isotopes (c) redox bodies (d) amphoteric compounds3、d The _ of a carbon is 12 (a) the weight of molecule

2、 (b) molecular number (c) the weight of atom (d) atomic weight4、Which of the following belong to nitrate? C (a) NH3 (b) KNO3 (c) KNO2 (d) NO5、Which of the following belongs to secondary amine? B 4、The number of outmost electron in carbon atom is _C_. (a) 1 (b) 2 (c) 4 (d) 65、In reaction H2 + CuO H2O

3、 + Cu, _B_ is reduced.(a) H2 (b) CuO (c) Cu (d) H2O6、Which of the following is charged? _C_ (a) atom (b) molecule (c) proton (d) neutron 7、Who first presented Periodic Table of elements? C (a) Democritus (b) Boyle (c) Mendeleev (d)Dalton 8、Which of the following is classified into amine? B (a) NH3 (

4、b) CH3NH2 (c) NaNH2 (d) N29、The substances on the left side of the chemical equation are known as _d_ . (a) reactant (b) reactor (c) reductant (d) reaction 10、Who first present the model of an atom in 1900s? b(a) Plato (b) Dalton (c) Mendeleev (d) Boyle11、Which of the following belongs to nitrite? b

5、(a) HNO2 (b) KNO2 (c) Mg3N2 (d) NH312、Which of the following belongs to metal? b(a) selenium (b) sodium (c) Tellurium (d) Helium13、d The elementary particle of _ is uncharged. d (a) proton (b) electron (c) ion (d) neutron14、d Bromine has _ electrons in its outermost energy level. d(a) 2 (b) 3 (c) 8

6、(d) 715、a Which of the following is non-metal?(a) chlorine (b) lead (c) copper (d) mercury16、a The atomic number of helium is _.(a) 2 (b) 4 (c) 3 (d) 017、d The horizontal rows of the periodic table are called _. (a) energy level (b) groups (c) electron configuration (d) periods18、a The symbol for el

7、ement silver is _. (a) Ag (b) Sn (c) Hg (d) Au19、c The atomic number of carbon is _.(a) 13 (b) 6 (c) 12 (d) 120、b Which of the following is inert element? (a) hydrogen (b) helium (c) tellurium (d) potassium21、c Which of the following belongs to halogen?(a) carbon (b) lithium (c) fluorine (d) neon22、

8、a Which of the following belongs to noble gas?(a) neon (b) potassium (c) iodine (d) lead23、a Which of the following belongs to alkali metal?(a) silver (b) sodium (c) tellurium (d) bromine24、b Which of the following belongs to metal halide?(a) KClO3 (b) KCl (c) HCl (d) Cl225、a The _ of carbon is is 1

9、s22s22p2(a) electron configuration (b) periodicity (c) general property (d) inertness26、b The general property of metal is _.(a) soft (b) lustrous (c) flammable (d) toxic27、c Fluorine, chlorine, bromine and iodine belong to _ group. (a) alkaline metal (b) transition metal (c) halogen (d) alkaline ea

10、rth metal28、b Few reactions occur on helium and argon, so the two elements are chemically _.(a) reactive (b) inert (c) mild (d) strong29、a The standard enthalpy for normal oxygen is _.(a) 0 (b) 0 (c) 0 (d) 030、c The maximum electronegative element in Periodic Table is _.(a) H (b) Na (c) F (d) He31、b

11、 Which of the following belongs to the complex? (a) FeF3 (b) Na3FeF6 (c) Fe3O4 (d) Fe32、d When solid NaCl is put into water, the solid “disappears”. The whole system is called _.(a) soluble (b) solvent (c) solubility (d) solution 33、d Mn2+ can be _ to MNO4- by (NH4)2S2O8 in acidic solution.(a) reduc

12、ed (b) exchanged (c) substituted (d) oxidized 34、a Charged atoms are called _. (a) ions (b) protons (c) electrons (d) molecules35、b Which of the following is classified into oxo-anion ? (a) O2- (b) SO42- (c) S2- (d) S2-36、a Reaction CH4 +Cl2 CH3Cl + HCl is called _ reaction. (a) substitution (b) oxi

13、dation (c) reduction (d) exchange37、c Benzene is often used as _ both in laboratory and in chemical industry. (a) solution (b) solvation (c) solvent (d) solute 38、c Standard entropy of any species is _. (a) 0 (b) 0 (c) 0 (d) both (b) and (c) 39、b If aqueous NaCl is wanted to separate, _ is good choi

14、ce.(a) substitution (b) distillation (c) coordination (d) bond 40、b Alcohol is readily _ and we smell it everywhere in air. (a) soluble (b) volatile (c) reactive (d) precipitated41、b As a general rule, the coordination compounds(the complex) with coordination number of six are observed _ structure (

15、a) tetrahedral (b) octahedral (c) octagonal (d) bipyridyl 42、d The demanded energy that a gaseous neutral atom loses one electron at thermodynamic standard condition is called the first _. (a) energy level (b) electron configuration (c) activation energy (d) ionization energy 43、c NaCl is _ in water

16、. (a) solution (b) solvent (c) soluble (d) precipitated44、d When AgNO3 is mixed with NaCl, AgCl _ is developed.(a) solution (b) solvent (c) soluble (d) precipitated 45、b Which of the following belongs to hydrocarbon?(a) C11H22O11 (b) C8H18 (c) CH3COOH (d) H2SO4 46、a In K4FeF6, the charge of the comp

17、lex part is _. (a) -4 (b) +2 (c) +1 (d) 147、b Which of the following belongs to substitution reaction? (a) H2 + Cl2 HCl (b) C6H6 + Cl2 C6H5Cl + HCl (c) H2O H2 + O2 (d) S+ O2 SO248、a In K4FeF6, the oxidation number(or state) of Fe is _. (a) 2 (b) 0 (c) 6 (d) 449、_c_ is defined as required energy to b

18、reak chemical bond into neutral species at thermodynamic standard condition. For example breaking HH bond into two H atom requires 104kJ/mol. (a) Lattice energy (b) Hydration energy (c) Bond energy (d) Activation energy50、a When gaseous HCl dissolves into water, _ solution forms.(a) acidic (b) basic

19、 (c) salty (d) no51、b When ionic compounds dissolve in water, the ions interact with water molecules. Such process is called _. (a) coprecipitation (b) ionization (c) hydration (d) coordination52、d When ions dissolve in water, they are surrounded by water molecules. Such process is called _. (a) sub

20、limation (b) substitution (c) ionization (d) solvation53、c When benzene is added in aqueous solution containing iodine, most of iodine then transfers into benzene because of the more solubility of iodine in benzene. Such process is called _. (a) refinement (b) titration (c) extraction (d) diffractio

21、n54、d Which of the following is classified into transition element? (a) silicon (b) tin (c) helium (d) copper55、_b_ H2SO4 is often used in chemical experiment. (a) Volatile (b) Concentrated (c) Flammable (d) Inert56、a Electrolysis of aqueous solution will produce_.(a) H2 (b) H (c) water (d)OH-57、d Z

22、inc reacts with _ H2SO4 to generate hydrogen gas at room temperature. (a) concentrated (b) cold (c) hot (d) dilute 58、a Which of the following belongs to oxoacid?(a) H2SO4 (b) H2S (c) H2O (d) HS-59、c Which of the following belongs to diatomic molecule?(a) HCN (b) KClO3 (c) HCl (d) C8H1060、c If solid

23、 NaCl is added into its saturation solution , _ is developed.(a) transparent solution (b) colloidal (c) precipitate (d) dissolution61、c Which of the following belongs to alkali earth metal?(a) potassium (b) lead (c) calcium (d) boron62、b Which of the following belongs to hydride?(a) CuSO45H2O (b) H2

24、S (c) C6H6 (d) H2SO463、a Which of the following belongs to carbohydrate?(a) C11H22O11 (b) C10H8 (c) HCHO (d) CO264、a Which of the following belongs to representative element?(a) carbon (b) iron (c) copper (d) zinc65、d Which of the following belongs to alkaline earth element?(a) potassium (b) mercury

25、 (c) boron (d) magnesium66、a Benzene usually carries out _ reaction, as described belowC6H6 +Cl2-C6H5Cl + HCl(a) substituent (b) substitution (c) displacement (d) alternative67、a The general formula of saturation alkane is _(a) CnH2n+2 (b) CnH2n (c) CnH2n-2 (d) CnH2n-668、c There are _ carbon atoms i

26、n parent chain of 2,3-dimethylbutane.(a) 2 (b) 5 (c) 4 (d) 669、c Which of the following is trans-2-butene? 70、d The vinyl group has the structure of _. (a) CH3CH2 (b) C6H5 (c) CHC (d) CH2=CH71、b Compounds that containing both hydroxyls and carbon-carbon double bonds are called _ (a) polyols (b) unsa

27、turated alcohols (c) cyclols (d) thiol72、c Dienes contain _ carbon-carbon double bonds.(a) di- (b) eth- (c) two (d) secondary73、a Which of the following is classified into alkenol?(a) CH2=CHCH2OH (b) CH3CH2CH2OH (c) CHCCH2OH (d) HOCH2CH2CH2OH74、b Vinylcyclopropane is classified into _(a) alkane (b)

28、alkene (c) alkyne (d) alkenyne75、c The functional group of alcohol is _.(a) hydrate (b) hydroxide (c) hydroxyl (d) hydride76、a Alkynes contain carbon-carbon _ bond(a) triple (b) three (c) tertiary (d) prop77、b Methylenecyclopentane is classified into _(a) alkane (b) alkene (c) alkyne (d) alkenyne78、

29、c Which of the following is the formula or general formula of ammonia? (a) C6H5OH (b) C6H5NH2 (c) NH3 (d) RNH279、a A primary amine contains _ hydrogens attached to its nitrogen atom. (a) 2 (b) 3 (c) 4 (d) no80、d Reaction between methanamine and hydrochloric acid produces _ salt. (a) imide (b) imine

30、(c) amide (d) ammonium 81、b The functional group of amine is _.(a) ammonia (b) amino (c) ammonium (d) ammine82、a Alkanes contain carbon-carbon _ bonds. (a) single (b) double (c) triple (d) both (b) and (c)83、d (+)-Glucose (C6H12O6) is _ aldehyde, which contains hydroxyls and distinguishes from common aldehydes or alcohols in properties. (a) polyhydrate (b) many-hydrooxy (c) multihydroxyl (d) polyhydroxy84、b Compounds containing OH and C=C groups are called _ alcohols, because of the pres