問題詳情
24.做香腸、臘肉時,為能夠防腐及保持肉色鮮豔,常添加下列何種物質?
(A) NaHCO3
(B) NaNO2
(C) Na2S2O3
(D) Na2CO3
(A) NaHCO3
(B) NaNO2
(C) Na2S2O3
(D) Na2CO3
參考答案
無參考答案
內容推薦
- 下列何者不是單醣?(A) 葡萄糖 (B) 半乳糖 (C) 蔗糖 (D) 果糖
- PE 是指下列何種聚合物?(A) 聚乙烯 (B) 聚丙烯 (C) 聚氯乙烯 (D) 聚苯乙烯
- 原油分餾中碳數最高,在分餾塔中為最底層之產物為下列何者?(A) 煤油 (B) 汽油 (C) 瀝青 (D) 石油醚
- 下列有關氧化數的敘述,何者正確?(A) 化合物中,金屬的氧化數通常為正值 (B) 化合物中元素的平均氧化數必為整數(C) 鹵素最高價數均為 +5 (D) 所有化合物中, H氧化數均為 +1
- 容器內若含有氧氣分子 51 × 1023 個,則相當於含有多少莫耳的氧分子?(A) 51 (B) 0.82 (C) 0.43 (D) 0.25
- 欲由重量 98% 硫酸溶液 ( 比重 84 ),配製重量百分率 34% H2SO4 水溶液 ( 比重 255 )一公升時,必須加入純水幾公克?(A) 653 (B) 763 (C) 80
- 下列有關溶液濃度的敘述,何者錯誤?(A) 0 M 之 H2SO4(aq) 水溶液為每公升的水溶液中含有兩莫耳的 H2SO4(B) 體積莫耳濃度會受溫度影響(C) 0 m 之 NaOH(a
- 下列氮氧化物中, 氮的氧化數何者為 +4 ?(A) N2O5 (B) NO (C) N2O (D) N2O4
- 20℃ 時水的比重為 0.998,乙醇比重為 0.789,若在 50 毫升水中加入乙醇而成體積為 100毫升的溶液,此溶液比重為 0.923,則酒精之重量百分率濃度為多少 ( % )?(A) 4
- 甲、乙、丙三種單質子酸,Ka 依序為 10-10-10-5,若濃度同為 0.1M,體積同為 100毫升的此三種酸液,各分別加入 0.2M NaOH 25 毫升時,加入 NaOH 後此三酸
內容推薦
- 18 Jim’s never going to succeed _____ he works harder.(A) and (B) except (C) unless (D) without
- 16 The writer’s horror story _____ to all of us.(A) is shocked (B) shocked (C) shocking (D) was a sh
- 21 Please tell me more about _____. I want to know you better.(A) you (B) yourself (C) us (D) myself
- 20 Jim not only attended my wedding _____ bought me a present.(A) but also (B) even though (C) in ca
- 請依下文回答第 28 題至第 30 題 Bullying is an important issue that is definitely seen in our world these days
- 【題組】29 Which of the following statements is NOT true?(A) The effects of bullying on kids are not as
- 22 Please be quiet. I _____ on my math homework.(A) work (B) worked (C) have been worked (D) am work
- 請依下文回答第 31 題至第 35 題 When it comes to all-protein diet for weight loss, people keep on asking if it
- 【題組】30 Which one of the bad effects on the victims is mentioned in this passage?(A) The way they stu
- 【題組】32 What is the main idea of the third paragraph?(A) The all-protein diet is quite different from
- 【題組】33 Which of the following is NOT true about the rules for people on the all-protein diet?(A) The
- 【題組】34 What does “rigid” in the second paragraph mean?(A) Strict. (B) Direct. (C) Classic. (D) Frequ
- 【題組】25 (A) help (B) helped (C) helping (D) to helping
- 【題組】24 (A) for (B) in (C) since (D) with
- 【題組】26 (A) he (B) they (C) whom (D) who
- 【題組】35 Which of the following can be inferred from this passage about the all-protein diet?(A) It do
- 【題組】27 (A) because (B) or (C) so (D) yet
- 請依下文回答第 36 題至第 40 題 The Gobi Desert is one of the largest deserts in the world. It36between norther
- 【題組】37 (A) size (B) distance (C) weight (D) quantity
- 請依下文回答第 41 題至第 45 題 All birds have voices. We think of them 41 singing, but many, such as birds
- 【題組】39 (A) along with (B) due to (C) as for (D) apart from
- 【題組】38 (A) recovered (B) regained (C) replaced (D) removed
- 請依下文回答第 46 題至第 50 題 Mike Schmidt is a 29-year-old businessman. He lives in a small town near Lake
- 2 The complicated reality is hopelessly unknowable, especially in this age in which the superabundan
- 3 It is estimated that Britain will likely send more troops to join the US-led surge to ______ the A