O Level Biology MCQs – Certification Test 1311

Pollution: Sewage as Cause MCQ (Question 1311) – App & e-Book Download

Download eBook:

Apps:

MCQ 1311: Hydrogen sulfide (H₂S) and ammonia (NH₃) are produced from:

the chimneys of factories
use of chlorofluorocarbon in foam packaging
decomposition of organic compounds by anaerobic bacteria
treatment of acidic wastes with alkalis

Previous MCQ

Next MCQ

Pollution: Sewage as Cause MCQ App & e-Book – O Level Biology Textbook Tests

Human Respiration Test 1322

What is Nutrition Test 1323

Spinal Cord and Nerves Test 1324

Wind pollination Test 1325

Anaerobic Respiration Test 1326

Anemia and Minerals Test 1327

Mode of action of heart Test 1328

Specifity of Enzymes Test 1329

Pollution and Smog as Cause Test 1330

Free Pollution: Sewage As Cause Mobile App – Download from App Store & Play Store

Free Pollution Sewage as Cause MCQ App: Learn Pollution Sewage as Cause Notes, O Level Biology MCQ App, and SAT Biology MCQ App for biology collaborative learning.

Download the O Level Biology Learning App: Free Pollution Sewage as Cause MCQ App (Android & iOS) to strengthen digital competence. Download Play Store & App Store Study Apps with all functionalities to achieve learning goals.