9700/13 Biology Oct Nov 2020 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
بهمن
2020
مشاهده نمونه سوال
شامل مباحث:
AS Level
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
Neda Bani Four students investigated the effect of catalase on hydrogen peroxide.
Each student started a digital clock at the beginning of the experiment and stopped the clock after 25 bubbles had been counted.
The time recorded on the digital clock is shown below.
Which student recorded the results to the best level of precision for the apparatus used?
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