0620/12 Chemistry May Jun 2011 Online Test | Cambridge IGCSE MCQ
Cambridge
IGCSE
Chemistry (0620)
شهریور
2011
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
45 دقیقه

پیش نمایش صفحه اول فایل
An acid–base titration is described.
- 25.0 cm${^3}$ of dilute aqueous alkali is put into a conical flask.
- Indicator is added to the flask.
- Dilute acid is added to the aqueous alkali until the indicator changes colour.
- The volume of acid used is then recorded.
Which use of apparatus is correct?