What is the pH of pure water?

এই অধ্যায়ের আরও প্রশ্ন

• C-02-Q016What is the chemical formula of water?
• C-02-Q017One molecule of water consists of —
• C-02-Q018Modern technology shows that water molecules are present in the form of —
• C-02-Q019Which is the largest source of water on earth?
• C-02-Q020Approximately what percentage of total world water is in seas and oceans?
• C-02-Q021Sea water is also called —
• C-02-Q022Approximately what percentage of total water reserve exists as glaciers and snow?
• C-02-Q023Approximately what percentage of total water on earth is actually usable?
• C-02-Q024Which of the following is NOT a source of usable water?
• C-02-Q025We get groundwater through —