問題詳情
3.實驗桌上有KCl與KI混合液一瓶。取出25.00mL，滴入數滴鉻酸鉀後，再逐滴加入0.010的AgNO3，溶液立即出現沉澱。當加入50.00mL時，溶液由淡黃轉成紅色。根據所述，回答下列問題。
(1)溶液由淡黃轉成紅色的原因為何？(2分)
(1)溶液由淡黃轉成紅色的原因為何？(2分)
參考答案
答案：B
難度：簡單0.887746
統計：A(88),B(4919),C(143),D(21),E(1) #
個人：尚未作答書單：整合理論時期要點
內容推薦
- 【題組】(A) stressed (B) stresses (C) pressured (D) stress
- 秀姑巒溪與花蓮溪之間曾發生河川襲奪，圖二為襲奪作用後的河川分布圖，下列表中有關各河段的地形描述，正確的是：(A)A (B)B (C)C (D)D (E)E。
- Patients are allowed to fill their（prescribe） at local drugstores.
- 【題組】(A) sense of (B) interact with (C) lack of (D) suffer from
- ___________________________________, he couldn’t make Rose love him.(2%)不論Jack多麼努力嘗試,他未能使Rose愛上他
- 【題組】(3)另取00mL該混合液，改加入過量Fe3+離子與鹽酸。充分反應後，先將酸鹼值調至中性，再滴入數滴澱粉，隨即以0.010M的Na2S2O3滴定，發現加入00mL時，溶液由藍色褪為
- ( ) Since she is so sad, we had better _______ her alone for a while.(A) leaving (B) leave (C) to
- 【題組】(A) guts (B) moon (C) sentence (D) sense
- 二.詞類變化5%The baby was born three months earlier and it was （miracle）that she survived.
- 【題組】(2)過錳酸鉀溶液的原有濃度為多少M？詳列計算過程。(3分)
內容推薦
- It_t___________________________________________ the plot of the story.(2%)弄清楚這故事情節花了我相當長的時間
- (20 pts)【題組】 (a) Suppose p is a prime number and a is an integer, (a,p) — Prove that ap~11 (mod
- ________________ It is p_______ring outside, so don't forget to take an umbrella with you whe
- 五、閱讀測驗 (共出 1 大題 5 小題,每題 1 分,共 5 分) Mark Wellman began climbing mountains when he was 17 years old.
- ________________ Ruby presented her speech so s_______y that she won first prize.
- 慢慢來，Jason。現在才兩點鐘。T__________ y__________ t__________ Jason. It's still only two o'cloc
- 【題組】After the accident, Mark _______.(A) can't remember anything (B) stops climbing mountai
- ________________ The mother g_______ped in disbelief and disappointment when she heard the sad new
- （將第二句改為分詞構句） The river goes on for another hundred kilometers. It connects the city to the ocean
- 有天，書桌堆滿紙和書，我的空間都快不夠用了。One day my desk was covered with so many piles of paper and books that I w
- 【題組】Mark tells people about his own story in _______.(A) No Limits (B) a self-produced film (C)
- ________________ Andy is so full of c_______e; he believes he can do everything well.
- 分子式 的所有芳香烴異構物中，以酸性過錳酸鉀氧化後會得到苯二甲酸產物的有幾種？(A) 1 (B) 2 (C) 3 (D) 4。
- (加分題)新北市立樹林高中校園內有四棵「鎮校之寶」----桃花心木，請寫出其英文名稱:
- 我姑姑很會做餅乾，她即將開一家烘焙店，我要在我的部落格上把這個消息傳出去，幫幫她的生意。My aunt, who is __________ __________ making cookies
- 【題組】Mark _______ to give people courage.(A) gives speeches and tells of his own experiences (B)
- ________________ The shoulder injury b_______rs the MLB pitcher a lot.
- 關於新生兒橫膈膜疝氣的病程描述，下列何者錯誤？(A)產前檢查可以發現(B)可使用高頻呼吸器(C)要注意肺高壓(D)開完刀會先惡化，再逐步穩定
- 土壤的哪一層含有豐富的氧化鐵、氧化鋁和黏土礦物？ (A)表土 (B)心土 (C)底層 (D)岩屑
- 這起意外和超速沒有任何關聯。 This accident had to do speeding.
- 【題組】What's the best title for this passage?(A) An Amusing Speech (B) Born to Take Challenge
- ________________ The near extinction of polar bears is a m_______e to us that global warming is a
- 下列有關發紺性先天性心臟病之敘述，何者錯誤？(A)主要有右至左的分流(B)主要有左至右的分流(C)會受開放性動脈導管影響(D)法洛氏四重症屬於發紺性
- 實驗室有 2 瓶食鹽水，甲瓶標示濃度為 15％，乙瓶標示濃度為 30％，若小敏要調製一杯濃度 24％的食鹽水，需要將甲瓶食鹽水和乙瓶食鹽水以多少比例混合？(A)1：2(B)2：3(C)6：5(D)
- 我將會永遠信守我的承諾。I will always to my word.