Explain the following:
When a copper coin is dipped in silver nitrate solution, a glitter appears on the coin after some time, Why does this happen? Write the chemical equation.

When a corroded copper article is dipped in silver nitrate solution, ____

Answer the following questions : What happens when vegetable oil is hydrogenated? Write the balanced chemical equation .

Answer the following questions : What happens when methane is burnt in air? Write the balanced chemical equation for the same.

Explain the following: Why do silver articles turn balckish while copper vessels turn greenish on keeping in air for a long time?

Answer the following questions: What happens when aluminium ore is heated with caustic soda? Write the balanced chemical equation for the same.

Manish was given aqueous solutions of silver nitrate, zinc sulphate and an iron nail. In the first experiment, he dipped iron nail in silver nitrate solution and observed that the solution turned brown. In second experiment, he dipped iron nail in zinc sulphate solution. However, no change was observed. Based on the above information, answer the following questions. Why did solution turn brown in the first experiment?

Manish was given aqueous solutions of silver nitrate, zinc sulphate and an iron nail. In the first experiment, he dipped iron nail in silver nitrate solution and observed that the solution turned brown. In second experiment, he dipped iron nail in zinc sulphate solution. However, no change was observed. Based on the above information, answer the following questions. Name the type of reaction that occurs when iron reacts with AgNO_3 solution.

Explain what happens when following reactions take place and give the balanced chemical equations. Silver nitrate solution added to solution of sodium chloride.

Explain the following reactions giving their balanced chemical equations: Lead is added to copper sulphate solution.

Write chemical equation for the following events: Iron filings are dropped in aqueous solution of copper sulphate