0620/12 Chemistry Feb Mar 2015 Online Test | Cambridge IGCSE MCQ
Cambridge
IGCSE
Chemistry (0620)
خرداد
2015
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
45 دقیقه
پیش نمایش صفحه اول فایل
Excess calcium carbonate is added to 50 cm$^3$ of dilute hydrochloric acid of different concentrations in two separate experiments.
The volume of gas produced in experiment 1 and in experiment 2 is measured every 30 seconds.
The results are shown.
Which diagram represents the data collected?