2021年广西贵港市港北区中考化学二模试卷

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2021
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ᑣᓄḄᓄC1O2o᝞ᵨᑺ⌕ᡂᑖ#⏚┛ᐸᓄCa(CIO)2஺#⏚┛,-./⍗12ᡂ3ᓄ┛4#⏚஺5ᑏ7#⏚┛489Ḅᓄ:;Ca(CIO)2+HO=Ca(OH)2+2HC1O஺2

15Chூ@A௃@C(1)ᵫEFឋHᐹᨵᔾ▬ឋMᩭᔆPQRSTUᓄḄV;WXYᐭFឋH◀\WḄ]ᕡ஺(2)ᵫE_`┛abcd`ᓫfḄgᵯ₹_`jabc_`ᓫfḄgᵯ₹2+Xklᣚ72`Na+oঝpq⚪sXtlᣚuḄCa7+wxyz{|}ᑣᑭᵨ2FWᱥ{|□ablᣚᜫᦔḄ:CQxV□ablᣚḄEW₩□ablᣚᜫᦔ஺(3)#⏚┛,-./⍗12ᡂCa(OH)24HC1O,89Ḅᓄ:;CCa(CIO)+HO=Ca(OH)2+2HC1O஺23ᦑAᫀC(1)FឋH(2)জ2ঝQxV□ablᣚḄEWᔣᐸWYᐭ〉xḂᑮ¡¢£ᨵ¢z¤¥¦2஺(3)Ca(CIO)+HO=Ca(OH)7+2HC1O஺2217.(6ᑖ)2020ª6ᨴ23¬®¯°±²³´µ¶ᓅᧅ¯°ᨬu_⚩»¼½¾ᡂ¿〈ᐭ⚜/Â⍝ᡃÅᓅᧅÆÇᙢf¶S_ÉÊᓣ஺ÌᓄÍÎÏAÐᑡÒ⚪C(1)½¾ᑴ⌼ᵨÕÖ×ஹÙᔠ×ᐸWᵨᜩÜḄÙᔠ×஺ᵨÖ×ᑴ½¾ḄᵯbᐗÞᑭᵨÕ×ḄßàᓄឋáD(ãä°)஺A.ᐝçèB.Ὂëஹ᧕YíC.î᧕ÆᵯD.,ïðᓄ(2)½¾Ḅñ□òᵯóôõᵨᐜSḄ÷ᓄøõ4ùᔠ×ú᪾ᑴᡂồ(As)þbḄÿ᪀
᝞ᐸx=5஺ᔠᐹᨵḄὊῖ⇨(ᑏ1ᩩᓽ!)஺(3)$%&'ᵨ)*ᵬ,(C2H8ᵨ)12ᧇNO17ᓄᑺ஺)*ᵬ:CஹHஹN24Ḅ<=>6@2@7(BᨬD᦮ᦪ)஺&'GHI2ᧇJ7ᓄᑺᒓLMNOᜧ

16=ḄQRSᡂUVWXYZḄ[\7ᓄᱥ^_\ᓫtᔠᐹᨵvwxy;qᵨsᑴ1mnḄᵯdᐗ}u>~7ᓄ஺ᦑB@tᔠD஺k2lx=33-2-8-18=5ᔠᐹᨵḄὊῖ⇨஺ᦑB@5Ὂῖ⇨஺k3l)*ᵬ:CஹHஹNḄ<=>@24@8@28=4@2@7&'GHI2ᧇJ7ᓄᑺᒓLMNOᜧ=ḄQ\ᓫ<Ḅᓄ>N8,[\7ᓄᱥbUᑖd<=eᜧḄ*7ᓄf஺ᦑB@6@2@7N2*7ᓄf஺ஹᡃi18.k4ᑖlᨵ_ᒹ!yᵫCuSCUஹNa2so4ஹNaOHஹNaCl,CaCChஹBaC”Ḅ_\ᡈ\ᡠ¡ᡂ஺>¢£¤¥Ḅᡂᑖ¦§r᝞¨©:k1lSᡂWḄᓄ>CO2
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᝱Ḅᓄᱥ஺“”⊤ᱥ“”⊤ᱥᓄ.(1)%Ḅᵨ⌶(ᦋ+⏚ឋ./0(2)2ᵬ45ᡂ789:ᵬ;7<ᨵᐗ?ᑣᵬḄᓄABH2c03஺2ᵬ45ᡂ789:ᵬ<ᨵGᐗ?ᑏIJKLᓄMNᑖPḄᓄAQRB(NH4HCO3WNH3t+H2O+CO2):(3)ᑏI79:ᨵ[\]^_`ḄᓄAQRB(Ca(OH)+CO2=CaCOI+HO»232ஹ=ூPf௃P(7ஹ9ஹiᙠkl
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19ᦑfᫀ(¸½¾¿᜜⍎0b,¾¿⌼ᡂÏÐ஺21.12ᑖûüAᙠýþÿFeC13
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42FeC16+6H2஺ᓃ2Fe(OH)3I+6HC14(3)ᑖ᪆:ᧇ6/¤BḄ#ᐰ®®M᝞¯ᵬ'~Bᡂ#ḄIR4জ°IR±ឤ~³/¤JKᑣz⏚7.2g4ঝ16.5g«ᓄqqᐗ¶ḄIR16.0gxJJ2xi00%=11.2g^_£xi00%=7.3g2(OH)16036.5xClynH2O/¤**2g,yo2,ᑣ8X3+(-1)Xx+(-5)X2=0,35.5y5.1gFe2(OH)4cI2FH4O¬Fe2O3+4HCl+(n+1)HO216016.7g160=18(n+1)16.0g7.2gn=3ᑣx2y2n=32223,ᦑW2722234ூ௃Fe(OH)4cI2FH2Oᙠ)NaOH
"#ᐰᓄFe(OH)33,ᑣᓄhEFijkFe(OH)4c128H2O+2NaOH=4Fe(OH)+2NaCl+5HO,ᦑ432W2Fe(OH)Cl*3HO+2NaOH=2Fe(OH)6+2NaCl+3HO»26256¸ஹᡃº»¼(ᐳ8ᑖ)22.(8ᑖ)'~¾s¿Ḅª«ᓄÀ᪵ÂḄIjnmᓄhÃÄÅÆ"#᪵Â13gÇᐭ┵ÉÊwtyᔣ┵ÉÊÌwÍz⏚EFjB#IRḄᑖJKᦪ┵ÉÊ
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