Chemical Reacti...

Which of the following is not an example of single displacement reaction?

A Science teacher wrote $$3$$ statements about rancidity:

$$BaCl_{2}(aq)+Na_2SO_4(aq)\rightarrow BaSO_{4}(s)+2NaCl (aq)$$

The substances you start with are called ______ and after the chemical change, what is formed is called the _______.

Study the given figure carefully.

Which of the following reactions explains the above change most appropriately?

Name the type of following chemical reaction.

What happens when a piece of zinc metal is added to copper sulphate solution?

In which of the following chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature?

Which among the following is(are) double displacement reaction(s)?
(i) $$Pb+CuCl_{2} \rightarrow PbCl_{2}+ Cu$$
(ii) $$Na_{2}SO_{4} + BaCl_{2} \rightarrow  BaSO_{4} + 2NaCl$$
(iii) $$C + O_{2} \rightarrow CO_{2}$$
(iv) $$CH_{4} + 2O_{2} \rightarrow CO_{2} + 2H_{2}O$$

In the double displacement reaction between aqueous potassium iodide and aqueous lead nitrate, a yellow precipitate of lead iodide is formed. While performing the activity if lead nitrate is not available, which of the following can be used in place of lead nitrate?