0620/13 Chemistry May Jun 2021 Online Test | Cambridge IGCSE MCQ
Cambridge
IGCSE
Chemistry (0620)
شهریور
2021
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
45 دقیقه
پیش نمایش صفحه اول فایل
A fruit drink coloured orange contains a dissolved mixture of red and yellow colouring agents. One of these colouring agents is suspected of being illegal.
Which method could be used to show the presence of this illegal colouring agent?