216. During the preparation of hydrogen chloride gas on a humid day, the gas is usually passed through the guard tube containing calcium chloride.The role of calcium chloride taken in the guard tube is to
pH of a solution having hydrogen ion concentration of 1M is
pH of a solution having hydrogen ion concentration of 1M is Read More »
Sodium hydrogen carbonate when added to acetic acid evolves a gas. Which of the following statements are true about the gas evolved?
When a bee stings, immediately a paste of lime is put on the sting. Why?
When a bee stings, immediately a paste of lime is put on the sting. Why? Read More »
How is the concentration of hydronium ions (H O ) affected when a solution of an acid is diluted?
Why does dry HCl gas not change the colour of the dry litmus paper?
Why does dry HCl gas not change the colour of the dry litmus paper? Read More »
How is the concentration of hydronium ions (H O ) affected when a solution of an acid is diluted?
Acids react with bases to form salt and water. This reaction is known as:
Acids react with bases to form salt and water. This reaction is known as: Read More »
The milkiness disappears due to the formation of:
The milkiness disappears due to the formation of: Read More »
