9.5 Eksperimen berkaitan kandungan Vitamin C di dalam Jus buah
Quiz
•
Biology
•
11th Grade
•
Medium
Lutfi Che Me
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Asid askorbik mengandungi....
0.1 g asid askorbik dalam 100 ml
0.01 g asid askorbik dalam 100 ml
0.1 g asid askorbik dalam 1000 ml
1 g asid askorbik dalam 100 ml
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kepekatan Vitamin C di dalam jus buah - buahan atau sayur - sayuran dikenalpasti menggunakan...
Larutan DCPIP
Air Suling
Air Kapur
Kertas Litmus
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When oxidized, DCPIP solution is ________, when reduced, DCPIP solution is _______
Blue, Colourless
Colourless, Blue
Orange, Colourless
Purple, Colourless
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The lower the volume of fruit juice used to decolourise DCPIP solution, the _______ the concentration of Vitamin C in the fruit juice
Lower
Higher
5.
OPEN ENDED QUESTION
3 mins • 1 pt
During the experiment, the DCPIP solution should not be shaken vigorously when the ascorbic acid and fruit juice are being added. Explain why?
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