paper 1 May/June 2009 Chemistry (0620) IGCSE
CIE
IGCSE
Chemistry (0620)
شهریور
2009
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 39
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
45 دقیقه

پیش نمایش صفحه اول فایل
Two separate tests are done on separate solutions of compound X.
1 Addition of aqueous sodium hydroxide forms a green precipitate that dissolves in an excess of aqueous sodium hydroxide.
2 Addition of dilute nitric acid and aqueous silver nitrate forms a white precipitate.
What is compound X?