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化學 高中

108指考第六題 請問D選項,為什麼解答說不反應?H2O2不是常見的氧化劑和還原劑嗎?

pur min.com.tw 步驟中,加入的試劑X是什麼? (B) HSO3 (C) NaOH (D) H₂O₂ (E) (B) ・選修化學(上) 第5章 氧化還原反應 選修化學(下) 第6章 無機化合物 ·測驗考生是否具備氧化劑與還原劑的觀念,以及碘的性質 中 鹵素元素在氧化還原反應中多扮演氧化劑的角色,在酸 定,在鹼性條件中則易發生自身氧化還原反應 (A) ①:I+HCl→ 不反應 (B)H.SO, 可作為還原劑與I反應Ⓤ:I+HSO3+HO→2 HO,可作為氧化劑與HI 反應:2HI+HO: →I+2H (C):31 +6OH →SI +IO +3HO 在鹼性條件中②:I+HO: → 不反應 (D) : +HO: → 不反應 (E): I+ I → 不反應 故試劑 X 為 H.SO。 B 草稿 -De D Q x Lo mattth 09-108指考化學試卷定稿 physical 1₂ 黃褐色 6. 在①的步驟中,加入的試劑 X 是什麼? (A)HCl (B)H,SO3 (C)NaOH 7. 在③的步驟中,加入的試劑 Y 是什麼? (A)HCl (B)H,SO3 V x chemistry 無色 (C) NaOH T 化學考科 6-7為題組 做完秒錶反應後,為了要同學探究實驗過程中的試劑與其化學反應,張老師又 用一個燒杯,演示了一組實驗。簡要過程如下:取一個盛有去離子水 100 毫升 的大燒杯,放置於攪拌器上,使燒杯內的水穩定攪拌,然後滴入碘酒,使溶液 呈現黃褐色。 ④加入鹽酸溶液,黃褐色復現 fe ①加入X試劑,黃褐色褪去,溶液呈現無色。 ②加入雙氧水,黃褐色復現。 ③加入Y試劑,黃褐色褪去,溶液呈現無色。 其流程如右圖,①②3④為 反應過程序號,依據實驗回 答6-7題: Red +X +HzOz + Y +HCl 1 4 Fő 黃褐色 (D) H,O, 3 無色 1₂ → 1- x (E) 1₂ 09-108指... PE 共7頁 Da 黃褐色 (D) H,O, (E) I, 8. 林同學以儀器量測某穩定元素,其組成為雙原子分子,測得其分子量僅有 158、160 及 ✓ 162 三個數值,且對應的分子含量比約為1:2:1。下列敘述,哪一項正確 (A)此元素有三種同位素,其對應原子量為79、80和81 x2 (B)三個分子中,對應分子量為162的分子所含質子數最多 103 81+79.

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英文 國中

這邊想請問一下在底線處中into just的作用以及翻譯中的我們從何而來>_<翻譯是這讓我們洞悉他多年來有多受歡迎以及多具影響力

............. LEUTELZ 2 queen (A) engaged N 詞彙磨刀石 好奇到 Xidl basis 1. The public wondered how much the mysterious gentleman was the secret government mission. (B) permitted 2. The smartphone brought about oprio (A) luxurious (B) grammatical ...**** 3. The poet's lines are beautiful and filled with human experience. (A) session (B) auction 第2關 (C) conventional 詳答參見詳解本 P (C) impressed changes in our lifestyles. (C) insight (D) transported (D) revolutionary and knowledge of the (D) therapy 建議作答時間 5 分鐘 分鐘 實際完成時間 the sh the te thora of ne gian mar 閱讀擂臺 svo of youmici bu code Joodse vlamhsa asiat od 1 Jengganap ni slo Gundam is a science-fiction franchise of television shows, movies, novels, comics, evalg quoz ns.1 and video games that features giant robots called "mobile suits." The franchise started umpasy drow ai dood zidi ydw 210bar di 16] with the broadcast of an anime television series called Mobile Suit Gundam in 1979. It was so popular and revolutionary that it created a new genre, a type of show that of .. features giant robots in a military setting. The franchise has been called the Star Trek of Japan, which gives some insight into just how popular and influential it has been over the years. do Yoshiyuki Tomino was the principal creator of the first series, Mobile Suit Gundam, and remains largely in charge of the entire franchise, writing and directing the 2014 television series, Gundam Reconguista in G. The name "Gundam" is a combination of the words "gun" and "dam," although originally, the show was called Gundom, from "gun" and "freedom." The stars of the franchise, the giant robots themselves, are large bipedal, human-shaped vehicles controlled from a cockpit, which is usually located in upper body of the machines. 2 the T

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