Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions

1.Name a solution of substance X is used for whitewashing .Name the substance X and write the formula.Also write the reaction of the substance X named with

2.When u mix the solution f lead nitrate nd pottassium iodide;
*what is the colour of the precipitate formed?
*write the balanced chemical eqn 4 this reactn
*is this also a double displacement reaction?


1. substance x is calcium oxide CaO . CaO + H2O = Ca(OH)2 
2. yellow precipitate will form
Pb(NO3)2(aq) + 2KI(aq) = PbI2(s) + 2KNO3(aq)
yes it is a double displacement reaction 

0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts