Latih Minda 5
Quiz
•
Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Hard
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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rajah 7 menunjukkan skema untuk menyediakan sebatian organik X daripada jus buah-buahan.
Sebatian X ialah...
Etena
Etana
Etanol
Glukosa
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Formula struktur suatu alkohol ditunjukkan dalam rajah 8. Apakah nama IUPAC bagi alkohol di atas?
Butan-1-ol
2-metilbutan-1-ol
1-metilpropan-1-ol
2-metilpropan-1-ol
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tindak balas alkohol diberikan seperti dalam skema tindak balas berikut.
Apakah X?
Metanol
Etanol
Propanol
Butanol
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Antara yang berikut, yang manakah betul tentang asid etanoik?
Dihasilkan daripada penapaian glukosa
Boleh dihidratkan kepada etanol
Bertindak balas dengan magnesium untuk membebaskan gas hidrogen
Larut dalam air
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bahan P bertindak balas dengan asid etanoik mengikut skema berikut :
- 1 mol P meneutralkan 2 mol asid etanoik
- satu gas mudah terbakar dibebaskan
Apakah kemungkinan bahan P?
Logam magnesium
Kalsium karbonat
Natrium hidroksida
Zink oksida
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Data tentang suatu molekul ester diberi di bawah.
- jisim molar : 74 g mol-1
- molekul tersebut melalui pengesteran metanol dengan X
Apakah kemungkinan sebatian X?
Asid metanoik
Asid etanoik
Asid propanoik
Asid butanoik
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rajah 9 menunjukkan struktur suatu molekul organik.
Pernyataan yang manakah betul tentang molekul di atas?
Menukarkan kertas litmus lembab kepada merah
Cecair tak berwarna yang mudah larut dalam air
Bertindak balas dengan natrium untuk membentuk garam dan gas hidrogen
Dihasilkan melalui tindak balas etanol dengan asid butanoik
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