Paper 1 February/March 2018 CHEMISTRY (9701/12) IGCSE
CIE
AS & A Level
Chemistry (9701)
خرداد
2018
شامل مباحث:
تعداد سوالات: 30
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه

پیش نمایش صفحه اول فایل
Exhaust gases from an internal combustion engine are made less harmful by passing them through
a catalytic converter. A number of reactions take place in the catalytic converter. Two such reactions
are described in the table.
Which row is correct?