मराठी

Give One Example of a Chemical Reaction Characterised by Formation of a Precipitate. - Science

Advertisements
Advertisements

प्रश्न

Give one example of a chemical reaction characterised by  formation of a precipitate.

Advertisements

उत्तर

Formation of a precipitate: When potassium iodide is added to lead nitrate solution (colourless and clear), yellow precipitate of lead iodide solution is formed.  

Pb(NO3)2 (aq) + 2KI(aq) → PbI2(s) + 2KHO3(aq)

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Chemical Reactions and Equations - Exercise 1 [पृष्ठ २०]

APPEARS IN

लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exercise 1 | Q 33.4 | पृष्ठ २०

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

Translate the following statement into chemical equation and then balance the equation:

Aluminium metal replaces iron from ferric oxide, Fe2O3, giving aluminium oxide and iron.


Complete and balance the following equation:

CA (OH)2  +  .............          CaCO3    +   H2O


Balance the given equation:

AI2(SO4)3 +NaOH  AI(OH)3 + Na2SO4 


What do you understand by endothermic reactions?


Is Burning of natural gas an endothermic reaction or an exothermic reaction?


Write the balanced equation for the following chemical reaction.

\[\ce{Barium chloride + Aluminium sulphate -> Barium sulphate + Aluminium chloride}\]


Balance the following equation. Also name the products formed. 

`"Mg" + "O"_2  →  "MgO"`


Balance the following equation. Also name the product formed. 

FeCI2 + CI2 →  FeCI3


Write the chemical equation for the following word equation and balance them.

Calcium + Nitrogen → Calcium nitride


Sodium chloride reacts with silver nitrate to produce silver chloride and sodium nitrate

Write the equation.

Check whether it is balanced, if not balance it.

Find the weights of reactants and products.

State the law which this equation satisfies. 


Write the balanced chemical equation of the following reaction.

silver nitrate → silver + nitrogen dioxide + oxygen


\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]

0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of salt formed.


Give word equation for the following chemical reaction and give the names of the product formed.

Zn + 2HC1→ ZnCl2 + H2


Name the following:

A catalyst which increases the rate of a chemical reaction.


Balance the following simple equation:

Mg   +   N2  →  Mg3N2 


Balance the following simple equation:

Fe  +   H2O  ⇌   Fe3O4   +   H2 


Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.

3CuO + NH3 → 3Cu + 3H2O + N2


What is a chemical equation?


To balance the following chemical equation the value of x and y should respectively be:

\[\ce{2NaOH + xAl_2O_3->yNaAlO_2 + H_2O}\]


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×