9700/12 Biology May Jun 2024 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
شهریور
2024
مشاهده نمونه سوال
شامل مباحث:
AS Level
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
75 دقیقه
پیش نمایش صفحه اول فایل
Marila Lombrozo The colour of a positive Benedict’s test is due to the formation of copper oxide. The mass of copper oxide is proportional to the mass of reducing sugar present.
Samples of fruit juice were tested for the presence of reducing sugars and non-reducing sugars using the Benedict’s test.
The table shows the mass of copper oxide after boiling with Benedict’s solution and after acid hydrolysis and boiling with Benedict’s solution.
Which sample…
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