PDF chapter test TRY NOW

Answer the following questions:
 
1. Balance the following reactions:

a. \(BaCl_2\) + \(H_2SO_4\) → \(BaSO_4\) + \(HCl\)
b. \(Ca(OH)_2\) + \(HNO_3\) → \(Ca(NO_3)_2\) + \(H_2O\)
c. \(Pb(NO_3)_2\) → \(PbO\) + \(NO_2\) + \(O_2\)
d. \(MnO_2\) + \(HCl\) → \(MnCl_2\) + \(Cl_2\) + \(H_2O\)
 
 
2. A white salt on heating decomposes to give brown fumes and a white residue is left behind.

a. Name the salt.

b. Write the equation for the decomposition reaction.
 
   
 
3. What happens when an aqueous solution of sodium sulfate reacts with an aqueous solution of barium chloride? State the physical conditions of reactants in which the reaction between them will not take place. Write the balanced chemical equation for the reaction and name the type of reaction.
 
 
Important!
Check the answers with the help of your teacher.