問題詳情
26. Which of the following statements is incorrect for colloids?
(A) Colloids are suspension of very large particles ( >2000 nm) in a medium.
(B) Tyndall effect is observed for colloids.
(C) Electric repulsion seems to be the main factor that stabilizes colloids.
(D) Removal of soot from smoke is an example of coagulation of colloids.
(E) None of the above.
(A) Colloids are suspension of very large particles ( >2000 nm) in a medium.
(B) Tyndall effect is observed for colloids.
(C) Electric repulsion seems to be the main factor that stabilizes colloids.
(D) Removal of soot from smoke is an example of coagulation of colloids.
(E) None of the above.
參考答案
無參考答案
內容推薦
- 【題組】(A) where does the world’s best meat come from (B) which country is the world’s biggest meat
- 【題組】(A) we have changed our way of cooking meat (B) new kinds of meat have come on the market (C
- 有關「軸力應變能」之表示方式，下列何者有誤？(P：軸力，δ：桿件軸向變形量，E：材料之彈性模數，A：桿件斷面積，L：桿件長度)(A) (B) (C) (D)
- The reaction system CO(g) + H2O(g) H2(g) + CO2(g) has already reached equilibrium. Which of the
- 二、 題組【題組】(A) falling (B) special (C) growing (D) common
- A chemist wishes to separate benzoic acid from 4-hydroxybenzaldehyde. Which is the best method t
- Carson: Bye, girls. See you to morrow, Phoebe.Shirley: did Carson say he would
- Helen: Can you turn off the TV? I can’t study with the .Troy: You can just go b
- Smart Head, one of the hottest TV programs these days, people free plane ticket
- When 6 M sodium hydroxide is added to an unknown white solid, the solid is dissolved.What is a p
內容推薦
- Endurance is one of the qualities necessary for the welfare and survival of the __________ and so
- In the Lewis structure of I3–, there are _________ electrons around the central iodine atom.(A)
- The figure below is a cross section of the electron probability distribution for an orbital. Wha
- 有關二極體的順向偏壓接法，下列何者正確？(A) P端接電源的正極，N端接電源的正極 (B) P端接電源的負極，N端接電源的負極(C) P端接電源的正極，N端接電源的負極 (D) P端接電源的負極
- A sample of a white solid is known to be NaHCO3, AgNO3, Na2S, or CaBrWhich 0.1 M aqueous solu
- 某P通道增強型MOSFET，導電參數K = 0.5 mA/V2，臨界電壓VT = -2 V，試求VGS = -5 V時，ID值為何？(A)6 mA (B) 5 mA (C) 2 mA (D)
- Which organic base is NOT found in RNA?(A) Uracil (B) Cytosine (C) Thymine (D) Adenine (E) Guani
- 小林想設計一個穩定電壓的全波整流輸出電路，其輸出的直流平均電壓VDC = 7 V，則其輸入的交流正弦波的峰對峰值電壓約為何？(A) 4 V (B) 6 V (C) 8 V (D) 12 V
- The Haber process _____________________(A) is used to produce nitric acid. (B) is used to produc
- 有關共基極(CB)放大器之敘述，下列何者正確？(A)電流增益小於 1 (B)電壓增益小於 1 (C)高輸入電阻 (D)低輸出電阻
- As the figure shows, a stone was thrown on the roof of height h=10 m from the throw. After 6 sec
- 如下圖所示，若簡支梁受一順時針方向之彎矩M，其剪力圖型式下列何者正確？ (A) (B) (C) (D)
- 如右圖所示，試求集極電流的飽和值為何？ (A) 96 mA(B) 96 mA(C) 96 mA(D) 96 mA
- 如右圖所示，若 ，二極體為理想狀態，試求流過負載的峰值電流為何？ (A) 0.1 mA (B) 0.4 mA (C) 2 mA (D) 5 mA
- I. 閱讀測驗: 每題選出一個最適當答案 5% Witness A: I was standing at the bus stop opposite the gas station on Route
- 有關微分器、積分器之敘述，下列何者正確？(A)方波通過積分器後之輸出波形為三角波 (B)三角波通過積分器後之輸出波形為方波(C)方波輸入微分器後之輸出波形為三角波 (D)三角波輸入微分器後之輸出
- 如下圖所示，若 A 物體與 B 物體之間為完全光滑，B 物體與地面之摩擦係數為 0.3，若欲拉動B 物體，則 P 力至少應為何？ (A) 80 N (B) 60 N(C) 50 N (D) 4
- A 10 g bullet moving 1000 m/s strikes and passes through a 0 kg block initially at rest, as sh
- A force Nacts on a particle with a position vector
- Alice really likes having noodles for breakfast, ?(A) doesn’t she (B) is she (C) ha
- Reese likes to sleep with music on, so she usually turns on the before she goes to
- Mr. Hu speaks good English he lived in the U.S. for many years.(A) because (B) but
- Although the rich woman has everything, she still feels with her life and wants to
- Every time Grandpa forgets where he puts his cellphone in the house, he always calls his own numbe
- Gina worked late and was worried she might not be able to catch the bus. , she saw