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1cˮ(yng)ֱ_(d)ʽ___________________
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2(sh)(yn) B ^쵽ĬF(xin)f̼ʲô|(zh)____________________
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}ĿDʾxyzքeʾXYZN|(zh)ܽfe(cu)`ǣ
A. t1r(sh)N|(zh)ܽɴСYZX
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C. t3r(sh)100gˮքeN|(zh)mgXYγҺ
D. ĻZX|(zh)ȡ^Xm˲ýؽY(ji)
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}Ŀ5֣Vlڿ՚ȼHVV߀Vc̼(yng)һN|(zh)V
1֪VеԪصĻσr(ji)-3r(ji)Ո㌑VĻW(xu)ʽ
2Vc̼(yng)ĻW(xu)ʽ
ָԓ(yng)Ļͣ (yng)
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}Ŀ֪dzлW(xu)ҊN|(zh)N|(zh)оͬijNԪD(zhun)P(gun)ϵDʾʾһN|(zh)D(zhun)һN|(zh)ַ(yng)P(yng)lȥ
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D. 80r(sh)քe|(zh)NH4ClNaClwmˮǡþҺҺ|(zh)ǰСں
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x(xing) | |||
A | H2SO4 | H2 | H2O |
B | C | CO | CO2 |
C | NaOH | NaCl | NaNO3 |
D | CaOH2 | CaCl2 | CaCO3 |
A. A B. B C. C D. D
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}ĿXYɷNw|(zh)ܽ҈Dʾf_
A. ɷN|(zh)ܽX > Y
B. t2r(sh)ɷN|(zh)Һ|(zh)|(zh)?jn)?sh)X > Y
C. t2r(sh)XҺt1|(zh)|(zh)׃
D. t1r(sh)YҺt2|(zh)|(zh)?jn)?sh)
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