Paper 1 May/June 2017 CHEMISTRY (9701/12) IGCSE
CIE
AS & A Level
Chemistry (9701)
شهریور
2017
شامل مباحث:
تعداد سوالات: 45
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه

پیش نمایش صفحه اول فایل
If ammonium cyanate is heated in the absence of air, the only product of the reaction is urea, CO(NH$_2)$$_2$. No other products are formed in the reaction.
What is the formula of the cyanate ion present in ammonium cyanate?