0653/11 Science Combined Oct Nov 2016 Online Test | Cambridge IGCSE MCQ
CIE
IGCSE
Science Combined (0653)
بهمن
2016
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
45 دقیقه

پیش نمایش صفحه اول فایل
The equation shows the reaction of copper oxide with carbon.
copper oxide + carbon → copper + carbon dioxide
In the reaction, the carbon is the ... 1 ... agent and is ... 2 ... during the reaction.
Which words complete gaps 1 and 2?