query: આ રસાયણનું pH કહેવાય છે. તમે લાલ કોબીજનો રસ વાપરીને સૂચક બનાવી શકો છો.
positive: This is called a chemical's pH. You can make an indicator using red cabbage juice.
negative: This is called a chemical's pH. You will make an indicator using red cabbage juice. This is not called a chemical's pH. You can make an indicator using red cabbage juice.