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English Junior High

この問題教えてください。

読解問題1 10 フェアトレード (Fairtrade)について述べた次の英文を読んで, あとの問いに答えなさい。 Have you ever heard the word “Fairtrade" ? I heard the word 1last week when I went to a coffee shop whose *owner is my father's friend. This is *what I learned about Fairtrade. Fairtrade is the "practice of paying *fairer *prices for *products that were made in 5 developing countries. It started in Europe in *the 1960s. At that time in many parts of the world, people who worked on farms had a big problem: they couldn't make enough money to live. There were other problems, too. Farm owners tried to make things like coffee quickly because they wanted to get more money. To *achieve this, they used more *chemicals than usual. Also, some of the workers on farms were children. The 10 children didn't get money from their owners, and many children couldn't go to school. Then Fairtrade started. Some people began to buy things at higher prices. People who joined Fairtrade got more money than people who didn't join it. The money *brought about some good changes. For example, farm owners stopped using a lot of chemicals and they began to give more money to the workers. Also, children *no longer 15 had to( ① ), and schools for children were built. Now, many people around the world are interested in Fairtrade. However, in Japan, there are few people who know about Fairtrade. It makes me really sad. If we don't choose Fairtrade coffee and buy other coffee, it will be cheaper, but if we choose Fairtrade coffee, 2) ]. I think each of us should learn about Fairtrade and start 20 doing something to help. 【注) owner:経営者 what S + V:Sが~すること practice:行為 fair:公正な price:価格 product:生産物 the 1960s:1960年代 achieve:達成する chemical:農薬 bring about ~:~をもたらす no longer ~:もはや~ない (1) フェアトレードが生まれた背景として適さないものを,次のア~ウから1つ選び,記号で答えな さい。 (3点) ア People wanted coffee that tasted better. イ A lot of chemicals were used. ウ Some children working on farms couldn't go to school. (2)(0 )に適するものを, 次のア~エから1つ選び, 記号で答えなさい。 (3点) イ change エ work ア study (3) [2に適する文を,次のア~ウから1つ選び, 記号で答えなさい。 ウ buy coffee (4点) ア we can get coffee that is more delicious than before イ farm workers can have more money than farm owners ウ it will help many workers and many children around the world 47

Resolved Answers: 1
Chemistry Senior High

中和反応のモル濃度のところの解き方が分からないので教えてください。

例題032 中和反応の量的関係 0.50mol/Lのシュウ酸水溶液10㎡Lを過不足なく中和するのに, 濃度不明の水酸 化ナトリウム水溶液 25mLが必要であった。この水酸化ナトリウム水溶液のモル濃度を求めよ。 例題033 滴定曲線 次の図は, 0.1mol/L の酸と塩基を用いて中和滴定を行ったときの滴定曲線を示したものである。 酸と塩基は何を用いたか。ア~エからそれぞれ選べ。 13F 13日 13 10 10 中和点 10 pH 7 中和点 pH 7 pH 7 中和点 4 4 1 1 10 20 0 10 20 0 10 20 滴下量(mL) 滴下量 (ml) 滴下量(mlL) ア.水酸化ナトリウムと酢酸 イ.水酸化ナトリウムと塩酸 ウ.アンモニアと酢酸 エ.アンモニアと塩酸 例題034 塩の分類と塩の水溶液 (1)次のア~ウから酸性塩を選べ。 ア、塩化カリウムイ. 炭酸水素ナトリウム ウ. 硝酸アンモニウム (2)(1)のア~ウから, 水溶液が酸性を示すものを選べ。 139 中和反応 次の中和反応を化学反応式で示せ。 (1)酢酸と水酸化ナトリウム CH3CO0 H + Neod CHocooNot Hoの (2) 硫酸と水酸化ナトリウム 504 + NaoH -N304 (3) アンモニアと炭酸 NH3* Cの (4) 水酸化カルシウムとリン酸 CaOH POd 5)硫化水素と水酸化アルミニウム HSO』+AO 5) 塩酸と水酸化カルシウム HCIO

Unresolved Answers: 1