paper 1 October/November 2004 Chemistry (0620) IGCSE
CIE
IGCSE
Chemistry (0620)
بهمن
2004
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
45 دقیقه

پیش نمایش صفحه اول فایل
In an experiment, a 2g lump of zinc and 2g of powdered zinc are added separately to equal volumes of dilute sulphuric acid.
The solid line on the graph shows the volume of gas given off when the 2g lump is used.
Which dotted line is obtained when the zinc is powdered?