九年级化学上册《专题7-初识酸、碱和盐-单元1-酸性溶液和碱性溶液-第一课时-溶液的酸碱性》学案

本专业培养掌握生物技术及其产业化的科学原理、工艺技术过程和工程设计等基础理论、基本技能，能在生物工程和生物技术领域从事设计、生产、管理和新技术研究、新产品开发的工程技术人才。IsignedwiththeBankoftheqiluBankloancontract(contract)conventions,andIusescheme,Iwouldrequesttheloans(inwords)untilIopenedpersonalsettlementaccountwithyourBank(account),usesloanfor。Loanoperation,businessunitname:accountnumber:loanfundsfromthesepersonalsettlementaccountintotheaccountofapayment.Loansinaccordancewiththefollowingpaymentmethodstopay.One,lendertrusteepayment.DelegateqiluBankloanfundsoftheborrowertomeetthestipulationofthecontractthefollowingborrowers,counterparties,commitmentfunds,regulatorycompliance,legal,andwillingtotakethepaydisputes,lossandotherconsequencesofthedelegate.PayeeaccountnumberBanknameamountpurposeII,borrowersownpaymentmethods.QiluBankaccordingtotheborrower'swithdrawalrequesttoloanfundsdisburseddirectlytotheborrower'saccount,andindependentlybytheborrowerpaymentstoborrowerswhomeetthestipulationofthecontracttransactions.Iguaranteetoyourbankcontractsandotherproveofmaterialsubmittedbyrealandeffective.Wheninaccordancewithonepayment,Iagreewiththeaboveaccountwithyourbankloanfundsthatarenotusedforstoppaymentmanagement,stoppaidconfirmedbookrecordstablesingle13:liftedcheckpaynoticerecordstablesingle14:personalloanaheadofrepaymentapplicationacceptedtableRecordstablesingle15:loanlinesopened/cancellationapplicationapprovaltablerecordstablesingle16:qilucardawardletterselfloanlinescancellationapplicationapprovaltablerecordstablesingle17:loanlinescancellationapplicationapprovaltablerecordstablesingle18:qiluBankloanurgedreceivednoticerecordstablesingle19:arrived(quality)betrealrightprovedoutlibrarylistingrecordstablesingle20:housingmortgagerightcancellationprovedrecordstablesingle21:personalpledgeloanrepaymentcommitmentletter11.scheduleSpontaneousdateofpromulgationofthispractice,thisprocedureisissuedpriortotheimplementationoftherelevantprovisionsareinconsistentwiththisregulation,issubjecttothisregulation.TheriskmanagementDepartmentisresponsiblefortheinterpretationandamendmentofproceduresbytheheadoffice.Breakthroughtherestrictionsimposedbythispractice,shouldsubmitfileexplanationsauthoritiesfileexplanationdeemednecessaryandsubmittedtotheHeadOfficeoftheloanReviewCommitteeforapproval.Recordform1:personalloancustomerconversationtranscripttomegiventheloanapplicantbankpersonalloanapplications,accordingtoqiluBankpersonalloaninterviewsregulationsandinterviewsonthefollowingissueswiththeborrowerandtheguarantor,pleaserespond,andensurecontentauthenticity.1,yourpersonalloanapplicationmaterialsmustbesubmittedtotheqiluBankistrue,otherwiseyoushouldbearthecorrespondinglegalresponsibility.Inthisregard,doyouunderstand?Yes()No()2,youapplyforpersonalloansamountingtomillionofperiodofmonths,youdecidetotaketherepaymentoptionsare:dueaone-offdebt(),monthlyinterest,to...QiluBank:《专题7初识酸、碱和盐单元1酸性溶液和碱性溶液第一课时溶液的酸碱性》【学习目标】1.了解紫色石蕊溶液和无色酚酞溶液两种酸碱指示剂的作用。2.认识溶液的酸碱性，并会用酸碱指示剂检验溶液的酸碱性。【学习过程】一、自主学习（一）知识回顾：1.浓氨水能使无色酚酞溶液变__________色，澄清石灰水能使无色酚酞溶液变_______色；醋酸、碳酸都能使紫色石蕊溶液变_______色。2.将CO2通入紫色石蕊试液中，发生的现象为_______________，涉及到的化学反应方程式为_____________________________________。加热上述液体发生的现象为_________________，涉及到的化学方程式为__________________________________。（二）阅读理解1.生活中下列常见物品：①苏打水②食醋③牛奶④苹果⑤肥皂水⑥洗涤刘；⑦柠檬⑧橘子其中含有酸性溶液的是______，含有碱性溶液的是_______________。2.石蕊和酚酞都是常用的酸碱指示剂，它们都是弱的有机酸。在溶液里，随着溶液酸碱性的变化，指示剂的分子结构发生变化而显示出不同的颜色，从而检验出溶液的酸碱性。3.石蕊溶液遇____性溶液变成红色，遇____性溶液变成蓝色；酚酞试液遇_____性溶液或_____性溶液不变色，遇_____性溶液变成红色。二、合作探究（一）探究活动一向溶液中加入酸碱指示剂操作步骤实验现象（填观察到的颜色变化）白醋食盐水蔗糖水柠檬汁汽水肥皂水纯碱溶液石灰水在小试管里分别滴入几滴待测液，再各滴加1~2滴紫色石蕊溶液，观察溶液呈现的颜色。在小试管里分别滴入几滴待测液，再各滴加1~2滴无色酚酞试液，观察溶液呈现的颜色。【探究结果分析】根据紫色石蕊溶液和酚酞溶液在上述溶液中的变化情况，将溶液进行分类。（1）酸性溶液：_______________________________________________________________（2）碱性溶液：_______________________________________________________________（3）中性溶液：_______________________________________________________________本专业培养掌握生物技术及其产业化的科学原理、工艺技术过程和工程设计等基础理论、基本技能，能在生物工程和生物技术领域从事设计、生产、管理和新技术研究、新产品开发的工程技术人才。IsignedwiththeBankoftheqiluBankloancontract(contract)conventions,andIusescheme,Iwouldrequesttheloans(inwords)untilIopenedpersonalsettlementaccountwithyourBank(account),usesloanfor。Loanoperation,businessunitname:accountnumber:loanfundsfromthesepersonalsettlementaccountintotheaccountofapayment.Loansinaccordancewiththefollowingpaymentmethodstopay.One,lendertrusteepayment.DelegateqiluBankloanfundsoftheborrowertomeetthestipulationofthecontractthefollowingborrowers,counterparties,commitmentfunds,regulatorycompliance,legal,andwillingtotakethepaydisputes,lossandotherconsequencesofthedelegate.PayeeaccountnumberBanknameamountpurposeII,borrowersownpaymentmethods.QiluBankaccordingtotheborrower'swithdrawalrequesttoloanfundsdisburseddirectlytotheborrower'saccount,andindependentlybytheborrowerpaymentstoborrowerswhomeetthestipulationofthecontracttransactions.Iguaranteetoyourbankcontractsandotherproveofmaterialsubmittedbyrealandeffective.Wheninaccordancewithonepayment,Iagreewiththeaboveaccountwithyourbankloanfundsthatarenotusedforstoppaymentmanagement,stoppaidconfirmedbookrecordstablesingle13:liftedcheckpaynoticerecordstablesi