UJI DIRI KIMIA 5.1 MINYAK DAN LEMAK
Quiz
•
Chemistry
•
1st - 12th Grade
•
Medium
Diana Azman
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan manakah yang betul mengenai lemak dan minyak?
Lemak dan minyak berbeza dari segi kimia
Lemak berasal daripada tumbuhan manakala minyak berasal daripada haiwan
Lemak dan minyak ialah campuran antara gliserol dan asid lemak (asid organik)
Lemak tepu dengan ikatan tunggal manakala minyak tidak tepu dengan ikatan ganda dua
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah nama tindak balas dalam penghasilan lemak dan minyak?
Penghidrogenan
Pengesteran
Saponifikasi
Petepuan
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah siri homolog bagi lemak?
Alkena
Ester
Alkohol
Asid karboksilik
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Nyatakan keadaan ketika proses penghidrogenan bagi pertukaran lemak tak tepu kepada lemak tepu.(3 pilihan sahaja)
Suhu : 300 darjah selsius
Tekanan : 60 atm
Mangkin : Nikel
Mangkin : Besi
Tekanan : 100atm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah kelebihan minyak berbanding lemak?
Minyak mengandungi peratusan lemak tepu yang tinggi
Minyak boleh menguatkan sistem imun
Ianya tiada kolesterol
Ia dikelaskan sebagai minyak tepu
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