Which base is present in lime water?
Calcium hydroxide
Lime water is a clear, saturated aqueous solution of calcium hydroxide, \(\text{Ca(OH)}_2\) (slaked lime). It is used to test for CO₂, turning milky due to insoluble CaCO₃:
\[\text{Ca(OH)}_2+\text{CO}_2\rightarrow \text{CaCO}_3\downarrow+\text{H}_2\text{O}\]
NaOH, Mg(OH)₂ and NH₄OH are different bases with different uses and are not present in lime water.
Metal oxides are ________ in nature.
Which base is present in soap?
Which of the following acids is present in ant bites?
When we cut an onion, the vegetable emits an odour and our eyes tear up. Which of the following compounds is responsible for the tears and odour resulting from freshly cut onions?
Which of the following is also known as Carbolic Acid?
What is the name of the acid in an ant's sting?
Oxide of which of the following will turn red litmus blue?
pH of the human blood is ________.
What is the dominant chemical present in vinegar?
Which property helps in the separation of a homogeneous mixture into its constituents?
Acids are formed when-