Which of the following gases is colourless, odourless and soluble in potassium hydroxide solution?
The gas evolved when dilute tetraoxosulphate (VI) acid reacts with sodium hydrogen trioxocarbonate (IV) is
If a solution has a pH of 2, it can be concluded that it
Which of the following salts is stable to heat?
Which of the following compounds dissolves in water to give an alkaline solution?
