理論4 Flashcards

(12 cards)

1
Q

水酸化鉄ⅢFe(OH)₃は正コロイド?負コロイド

A

正コロイド

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2
Q

墨汁におけるにかわは?

A

保護コロイド

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3
Q

保護コロイドとは?

A

親水コロイドが疎水コロイドをとりまき、凝析しにくくさせる親水コロイドのこと

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4
Q

凝析とは?

A

少量の電解質で疎水コロイドが沈殿する現象

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5
Q

塩析とは?

A

多量の電解質で親水コロイドが沈殿する現象

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6
Q

シュルツハーディーの法則とは?

A

凝析能力はイオンの価数の六乗に比例する

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7
Q

コロイド粒子の大きさ

A

10̠⁻⁷~10⁻⁵㎝

ななごーりゅーし

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8
Q

分子一個でコロイド粒子となるもの

A

分子コロイド

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9
Q

多数の分子が集合してコロイド粒子となるもの

A

ミセルコロイド

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10
Q

濃度の低いコロイド水溶液

A

ゾル

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11
Q

濃度の比較的高いコロイド水溶液

A

ゲル

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12
Q

乾燥したゲル

A

キセロゲル
XERO
シリカゲルなど

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