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Farezzz

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9. . Zat di bawah ini yang termasuk unsur adalah.. a. Air murni c. Aluminium e.Kuningan b. Garam d.Urea 10.Kelompok zat berikut ini yang semuanya senyawa yaitu . . . . a. natrium, krom, dan karbon b. seng, besi, dan kapur c. perak, air, dan api d. air, gula, dan garam e. Kayu,bensin,sirup 11.Contoh campuran homogen dalam kehidupan sehari-hari adalah …. a. makanan c. gula e. sirup b. air laut d. air sungai 12. Lambang unsur nitrogen,belerang dan natrium adalah......... a. Ni,S,Na c. N,S,Na e.N,S,Ne b. Ni,B,Na d. N,B,Ne 13.Diantara rumus berikut yang tergolong rumus empiris dan rumus molekul ialah…… a. H2SO4 c. C2H2 e. N2O4 b. C6H12O6 d. H2Cr2O4 14. Pada molekul NH(CH2CH3)2 terdapat……. a. 1 atom N, 2 atom C, 10 atom H b. 2 atom N, 2 atom C, 11 atom H c. 2 atom N, 5 atom C, 10 atom H d. 1 atom N, 2 atom C, 11 atom H e. 1 atom N, 5 atom C, 11 atom H 15. Perbandingan massa karbon dengan oksigen dalam CO adalah 3 : 8. Jika 10 g karbon direaksikan dengan 10 g oksigen maka hasil akhir reaksi yang didapat adalah .... A . 11 g CO dan 9 g sisa C B. 13 g CO dan 7 g sisa C C. 13 g CO dan 2 g sisa C D. 13,75 g CO dan 6,25 g sisa C E. 20 g CO 16. Massa dari 6,02 × 1022 molekul NH3 (Ar N = 17 dan H = 1) adalah … . A. 0,17 gram D. 2,80 gram B. 0,34 gram E. 3,40 gram C. 1,70 gram 17. Jika 6 L gas C2H6 dibakar sempurna sesuai reaksi: 2C2H6 + 7O2 4CO2 + 6H2O maka pada P dan T yang sama gas H2O yang dihasilkan maksimum sebanyak . . . . A. 20 L C. 16 L E. 12 L B. 18 L D. 14 L 18. Contoh hukum perbandingan berganda Dalton yaitu . . A. CO2 dan PO3 D. NaCl dan AlCl B. NO3 dan SO3 E. FeO dan FeS C. N2O3 dan N2O4 ASAL REPORT
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Di bantu ya kakak! b.inggris John : Linda, do you know how to get to Samson and Co? I have never been there before Linda : Are you driving or taking subway? John : The subway Linda : Take the bus line from 14 th avenue and change to the grey line at Andrew Square. Get off at 83 rd street. Got it? John : Yes, thanks. Now, once I get to Andrew Square, how do I proceed? Linda : Go straight on, pass the bank. Take the second left and continue straight on. It is opposite Jack’s bar. John : Can you repeat that? Linda : Go straight on, pass the bank. Take the second left and continue straight on. It is opposite Jack’s bar. John : Thanks Linda. How long does it take to get there? Linda : It takes about a half hour. When is your meeting? John : It’s at ten. I will leave at nine-thirty Linda : That’s a busy time. You should leave at nine John : Okey. Thanks Linda 1. Who are talking in the dialogue above? 2. Who will go? 3. What are they talking about? 4. What does John take to go to Samson and Co? 5. How long is the travel to Samson and Co? 6. Why does John go to Samson and Co? 7. At what time will John go? 8. Where is Samson and Co? 9. When is the meeting? 10. Who is Linda?
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