Sodium reacts with water: If two drops of phenolphthaloin is added to the water, what will be colour change to the resultant solution? Explain the reason?

Sodium reacts with water. a. Identify the gas evolved in the reaction. b. If two drops of phenolphthalein is added to the water, what will be colour change of the resultant solution? Explain the reason.

Sodium reacts with water: Identify the gas evolved in the reaction

What happens when Boric acid is added to water

What are the major causes of water pollution? Explain.

What happens when lime is added to hard water? Explain.

When sodium metal dissolves in liquid ammonia, it gives a deep blue coloured solution. Explain the reason.

45 g of glucose is taken in a beaker and made into 1L (MM=180): Above solution is made up to 2L by adding more water. What will be the molarity of the resultant solution?

How will you change a two molar solution of Sodium chloride into 5 molar?

A piece of metallic sodium is added to liquid ammonia.blue colour is observed.What is the reason for this?

Sodium chloride solution is electrolysed using platinum electrodes. a) Write the chemical equation of the reaction at cathode. b) What happens when phenolphthalein is added to the solution? State the reason?