Which of the following does not support the fact that air is a mixture?
What technique is suitable for separating a binary solution of potassium chloride and potassium trioxochlorate (V)?
At 27°C, 58.5g of sodium chloride is present in 250cm\(^3\) of a solution. The solubility of sodium chloride at this temperature is?
(molar mass of sodium chloride = 111.0gmol\(^{-1}\))
Which of the following properties increases from left to right along the period but decreases down the group in the Periodic Table?
i. Atomic Number ii. Ionization energy iii. Metallic character iv. Electron affinity
The molecular shape and bond angle of water are respectively
