2017-2021年黑龙江中考化学真题分类汇编之科学探究题

2017-2021年黑龙江中考化学真题分类汇编之科学探究题

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52Na2cChEBaCb#GHI¬BaCCh¢£®⊡ᐙ[±}~]kCNaSO!¢£²³⏚¢£>]k24CNa2so4ூµ¶·¸௃NaOHᨵº»Ḅῖ⇨ឋ9ῖ⇨¿ÀZ⊟ᱥÃ:2⍝45ᑺÄCᑭᵨ¬Ḅῖ⇨ឋÆ“È”“ᑭ”.®ÊËT[±ᑭᵨᱥḄ“È”/IÌÍÎḄÏÐcÑ᧕I┤:ᑭᵨt[ឋÆÑÓᑴᡂÕÖᒹØ=ḄῃÚᑺ.ூὃÛ௃}~`aᱥḄÜᡂᡂᑖhÝÞOkḄᓄឋOßᑏᓄ¦<§ஹᦻá⊤ã§ஹᵯå¦<§.ூæ⚪௃ç`a.ூᑖ᪆௃`a[cூ}~~௃᪷ê“ëᧇ”ᔠ}~)ô⏚îïᑖ᪆Oூµ¶·¸௃᪷êõÕᱥḄö☢ឋᑖ᪆.ூø௃c`a[cூ}~~௃ÆஹᜮஹÃᚗùᐭúû=ᯠüᐭ0᝱2⍝45ᑺ⌕DÓ9ENaOHF#G◤⌕ᐭDÓ9ENaOHF#GHIðñ9ùTþᚗÿூ௃ᐹᨵឋᰦ᝱⍝ᑺᯠ⍝!"ᵨ$%&'ᐰ)*+,ூ-../௃⌕./1234Na2so4,56ᐭBaC12ூᡈBa(NO3)2ஹBa(OH)2௃:;<⏚>?@AᓄCD%EF,Na2sO4+BaC12=BaSO4I+2NaCl(ᔠᳮᓽ)ூLMNᶧ௃ᵫQNa2CO3RBaC”ASBaC03U⁐?@ᡠ5/XYZ23[\4Na2so4,ᵫQBaS04]:Q⏚.ᡠ5_?@`6ab⏚?@:c/X1234Na2s04.ூdefg௃h᧕┤!ᑭᵨY[ឋNlhmᑴᡂpqᒹs&Ḅῃvᑺᡈ<⏚wᨵx!ᑭᵨyḄxឋᑴz{|}~;(ᔠᳮᓽ).ᦑᫀF,)*[,ூ-../௃ூ௃RNaOH:;AḄH᧕2᧕ᰦ

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63²³ᓄ¶·¸q┤⌲vwᜫyqr᪭I⏚FteOj-KHC1-ZFCCIJ+SHJOᡂ{⁐q┤⌲vwᜫy|}~○FejOj+3H,SQ=%?%+3%0ᡂ{⁐4.⏚$|}L%>ᡂ%#.¬᝞NaOH+HCl=NaCl+HO.2NaOH+H2s஺4=2Na2so4+2H2OஹCaOH2+2HC1=CaCl+2HO>CaOH2+H2SO4=CaSO+2HO,HSO+Ba224224OH=BaSOlþ⁐ÿ⏚+2H2O.245.⏚ᡂ⏚.᝞H2so4+BaCl2=BaSO4I+2HC1ஹHCl+AgNO3=AgCll⁐⏚+HNO3.ᨵᡂḄ⏚!"ᑖ$%᝞CaCO3+2HCl=CaC12+CO2f+H2OஹNaCO+2HCl=2NaCI+COt+H2OஹNaHCO+HCl=2323NaCl+C02f+H2O.&᜜(⏚)᧕ᑖ$ᡂ+,ᓄ(..ூ0⚪2ᔣ௃5ὃ7Ḅ0⚪2ᔣ8⌕:;<=>?ᐵABஹC⚪DEᡈG⊤IJKᩭὃMNO⏚ḄᓄNឋQḄᳮ$STDU%VW▅Yஹᑖ᪆ஹ[\]O^_Ḅ`a].bcdefᐸh⏚iᢣkᑺWᐸឋQஹmnḄᓄNឋQஹ⏚Ḅᵨ⌶ஹqஹ+,ᓄ(rsḄABtᑴvwᳮஹ(⏚x(⏚rxḄᓄNឋQஹyzᘤḄwᳮஹᱥQḄ[\␺~ஹ(⏚᪷ḄBஹᑖ$ḄᩩhAQஹᓄN2ḄᑏஹᨵᐵABᡈஹK?ᐵ^_ὶᩭᔠὃM.ᯠᨵᓫὃM.⚪ᨵ⌱⚪ஹ¡⚪ஹAB¢£⚪¤¥⚪.qὃḄ¦7:ὃMN▅Yஹᑖ᪆ABஹC⚪DEᡈG⊤IJḄ]O⏚ḄᓄNឋQஹᵨ⌶ஹᓄN2K?ᐵ^_Ḅᳮ$STDUVW§ᵨ¨©ᩭᑖ᪆ஹ$ª?ᐵḄA▭C⚪Ḅ]K.ᯠᨵ¬᪷ᡠ¯ḄᨵᐵḄ⊤°ᩭ[⏚ḄᓄNឋQᵨ⌶ᡈ±²⊤°Ḅ³´ᡈABµ¶·⚗K.ᱯ~:Oº»¼ᓄNឋQᒹ¾ஹᓄN2ᵨmn◀┤Ḅᵨ⌶KVW^_Ḅ`a]ḄὃM:ÁÂÃqὃ0⚪ḄÄ7bc¬:qὃὃMÅᙽ^_Ḅ¦q¦.ூ$⚪2Ç7È௃⌕É$ªÊÅË⚪Ì✌ᐜ⌕ᳮ$ÏÐ⏚ḄᓄNឋQஹᵨ⌶ஹᓄN2VWh?ᐵḄ^_.ᯠº᪷ᡠ¯ḄABஹC⚪DEᡈG⊤IJKᔠᡠNḄ?ᐵ^_ᢈVWÒÓḄÔdBᡠÕÖ×ᙢᑖ᪆⚪¶ᡈABஹG⊤IJKᔜÚIJÛÜὶᩭᔠᑖ᪆bÖÝᙢ¢£ஹ[ᳮºᢥ᯿⚪Ì⌕àáâᙢ⌱ᡈ$ªᓽä.å¬◤⌕µ¶Vçè7é1.⏚êᐹᨵ?ìᓄNឋQḄwí:åḄ⏚êîïðᨵ?åḄr.

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