Question 14

In the refining of silver, the recovery of silver from silver nitrate solution involves displacement by copper metal. Write down the reaction involved.

Q. In the refining of silver, the recovery of silver from silver nitrate solution involved displacement by copper metal. Write down the reaction involved.

Q.

In the extraction of silver, the recovery of silver from silver nitrate solution involves displacement by copper metal. Write down the respective reaction.

Q. (a) The recovery of silver from silver nitrate solution involves displacement by copper metal. Write the equation of the reaction that takes place. Give the states of all the substances.
(b) Under what soil conditions do you think a farmer would treat the soil in his fields with quicklime? Why?
(c) Name one sodium compound which is used for softening hard water and another which is used in fire extinguishers.

Q.

Question 26

A solution of potassium chloride when mixed with silver nitrate solution, forms an insoluble white substance. Write the chemical reaction involved and also mention the type of the chemical reaction.