Home > General ScienceWhat is the pH value of pure water?A. 5 B. 7 C. 9 D. 11Answer: 7Subjects: General ScienceRelated MCQsWhich planet is closest to the sun?What is the most common cause of tides in Earth’s oceans?Which gas is the primary contributor to the greenhouse effect?Which part of the plant is responsible for photosynthesis?Which vitamin is produced when the skin is exposed to sunlight?Which planet is known as Earth’s twin due to its similar size and structure?Which metal is liquid at room temperature?What is the hardest natural substance on Earth?What is the pH range of an acidic solution?What is the SI unit of force?What is the largest continent by land area?Which planet has rings around it?What is the largest organ in the human body?What gas is commonly known as laughing gas?Which vitamin is essential for blood clotting?