0620/12 Chemistry Oct Nov 2020 Online Test | Cambridge IGCSE MCQ
Cambridge
IGCSE
Chemistry (0620)
بهمن
2020
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?