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九 江 六 中 PowerPoint PPT Presentation


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九 江 六 中. 甲烷. 糖类. 洗洁精具有乳化功能. 元素. ( 08 · 江西) 化学源于生活, “ 柴、米、油、盐 ” 中蕴含着许多化学知识。请你填空:. (1) 在新农村建设中,许多家庭兴建沼气池。沼气的主要成分是 (2) 大米的主要成分是淀粉。淀粉属于六大营养素中的 (3) 餐具上的油污加入洗洁精后更易洗掉,原因是 (4) 市场上食盐的品种丰富,有碘盐、锌盐、钙盐、硒盐等。这些食盐中所含的碘、锌、钙、硒等是指 ( 选填“原子”“离子”“元素”“单质” ) 。. 家庭厨房实际上就是一个化学世界,其中蕴含有丰富的化学知识。. 厨房里的化学. 食醋. 食盐.

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九 江 六 中

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(1)(2)(3)(4)()


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91 96 95 76 3 55 6 45

91.96%95.76%3.55%6.45%


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3515mg/

GB5461

1


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33

A B

C

C


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4


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374


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5


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4p 5o 2 2p 2 o 5

S+O2 = SO2

4P+5O2 = 2P2O5

  • 2KClO3 = 2KCl+3O2

MnO2


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1

2

3


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2004605165,10%,5~15

1

CO+2H2 XX

2

3

CH3OH


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2CO + O2 == 2CO2

C + CO2 == 2CO

C + O2 == CO2


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60________________

70________________________________________

8090

_____________________________________

_____________________________________

)


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CH4

CH4+2O 2= CO2+2H2O

C3H8 + 5O2 = 3CO2 + 4H2O

C3H8

C3H81_____ ____

2______________

__________ ____

3CH4C3H8_______

4_____(


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