Bau semulajadi buah nenas adalah disebabkan kehadiran ester. Antara berikut, yang manakah nama suatu ester?

Quizziz Kimia 5

Quiz
•
Chemistry
•
5th Grade
•
Medium
NOR Moe
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2-metilpropana
Etil butanoat
Natrium etanoat
Natrium palmitat
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tindak balas kimia yang manakah menghasilkan haba peneutralan paling tinggi?
CH3COOH + NaOH → CH3COONa + H2O
HNO3 + NH4OH → NH4NO3 + H2O
H2SO4 + 2NaOH→ Na2SO4 + 2H2O
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Apakah jenis zarah bagi neon?
ion
molekul
atom
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Antara yang berikut, unsur-unsur manakah yang membentuk oksida asid apabila bertindak balas dengan oksigen?
I Sulfur
II Natrium
III Fosforus
IV Magnesium
I dan III
I dan IV
II dan III
II dan IV
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Antara yang berikut, garam manakah yang disediakan melalui tindak balas penguraian ganda dua?
Ammonium karbonat
Magnesium klorida
Kalsium nitrat
Barium sulfat
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kaca fotokromik adalah bahan komposit yang digunakan dalam pembuatan tingkap kereta dan tingkap bangunan. Antara yang berikut, yang manakah adalah bahan pengukuhan dalam kaca fotokromik?
I Kuprum(I) klorida
II Ferum(II) klorida
III Argentum klorida
IV Barium klorida
I dan III
I dan IV
II dan III
II dan IV
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Antara berikut, pernyataan manakah yang betul apabila suatu bahan tindak balas dipanaskan dalam satu tindak balas?
Meningkatkan hasil tindak balas
Meningkatkan tenaga kinetik zarah bahan tindak balas
Meningkatkan jumlah luas permukaan bahan tindak balas
Merendahkan tenaga pengaktifan dengan menyediakan satu laluan alternati
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