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}ĿijУWdȤСMMд}(ɳ)ἃþ}100g20%ȻcҺ

һDǼͬWMд}ἃIJʾD

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(3)ԓͬWȱ^Vڴ˲в_______

ͬWἃõľ}100g20%ȻcҺ

(4)бPƽQȻcrlFбPƽָƫ____

A mȻcw B pmȻcw C {ƽĸ D ұPa

(5)_Dʾ^췽ʽȡˮtҺ||֔____(=)20%

𰸡ƿ]е lгF^Ĺwr Pʳ}ƽƽ

W֪R}Ϣ֪һD1ǼͬWMд}ἃIJʾD

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3ԓͬWȱ^Vڴ˲вֹҺ^V߅

ͬWἃõľ}100g20%ȻcҺ

4бPƽQȻcrlFбPƽָƫfPʳ}ƫ^mPʳ}ƽƽ

5_D2ʾ^췽ʽҕȡˮȡˮƫtҺ||֔20%

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ĿлW Դ

}Ŀڃ֧ԇзքe|Ĺw׺͹w|ˮ t3ă֧ҺȻ󰴈D1MнزD2ҹwܽՈD1͈D2ṩϢ

t1r׵ܽ___________ҵܽȣ><=գ

pcĺx______________

Iм|_________

܌ t3r70˼׵Һt1棬w|_________g

݌D1вͬضȵҺf_____________

A t3rIII鲻Һ

B t2rI鲻ҺIIҺ

C t1rIIIҺ

D t3rʹIIIǡͣIм댦||IIм댦||

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ĿлW Դ

}ĿՈЌbÈDشP}

1bBИ̖xٵQ______________

2ȡ̼ĻWʽ_______________xİlb____ĸ̖

3pˮͶiȡĻWʽ_________________M_______cIJõĶi^mpˮֽĴ߻

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5ijWdȤСM̽΢\ӣ̎ܛɌrLwe֔Srg׃ռһƿM򞣺ٳڷpNƿیƿƿڳМywe֔Srg׃ΞDеMNNPκPQ

MNκNP^f___________________________________

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ĿлW Դ

}ĿՈAB}}AӋ

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B

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2ԓĽYՓ_____ûWʽʾ

1DBУXҺ~ҺtĻW̞_____

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ĿлW Դ

}ĿʢҺ(ȺδܽKNO3w)ԇcһUιBͨUι܃ʢˮԇܲʢˮğ()мc˕rԇ܃ȵKNO3Һ|ԼUιҺ׃քe( )

A. pҵB. ҵ

C. p١ҸD. Ҹ

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ĿлW Դ

}ĿûW̖ʾ

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2ؚкԪ_____

3εЙC_____

4՚кĚw_____

5ɂ̼_____

6VԭӵĽYʾD_____

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ĿлW Դ

}Ŀ֪WȻ⛣⛺Ȼ⛾wtЈDܱʾwжi|֔Srg׃ĈD( )

A. A B. B C. C D. D

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ĿлW Դ

}ĿҜСѩͬW10%ĚcҺμ뵽100g~ҺС

ٮcҺ40grDAcҺﺬ|飨Wʽ_____

ԓ^^쵽һ@F_____

ۮ10%80grDBcǡȫԇͨ^Ӌ˕ròҺ|_____ӋY_0.1g

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ĿлW Դ

}ĿȾlrõɫC6H8N2һNжWˎƷ°ԣf_

A. кN2

B. ̼Ԫص|Ȟ6:8:2

C. 6̼ԭ8ԭӺ2ԭӽM

D. ̼Ԫص|֔_ʽ

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