5070/11 Chemistry Oct Nov 2024 Quiz | Cambridge O-Level MCQ
Cambridge
O-Level
Chemistry (5070)
دی
2024
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
The water in a lake is acidic and the fish are dying. The water in the lake needs to be neutralised so that its pH is close to 7.
Which compound is added in excess to neutralise the water in the lake?