मराठी

To balance the following chemical equation the value of x and y should respectively be: 2NaOH+xAlA2OA3⟶yNaAlOA2+HA2O

Advertisements
Advertisements

प्रश्न

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

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

पर्याय

  • 1, 4

  • 1, 2

  • 2, 4

  • 2, 3

MCQ
Advertisements

उत्तर

1, 2.

Explanation:

The balance chemical equation is:

\[\ce{Al_2O_3 + 2NaOH->2NaAlO_2 + H_2O}\]

Thus the value of x and y will be 1 and 2 respectively.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2022-2023 (March) Outside Delhi Set 2

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

Write the balanced chemical equation for the following reaction.

\[\ce{Zinc + Silver nitrate -> Zinc nitrate + Silver}\]


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


Write symbolic representation for the following word equation and balance them :

Calcium carbonate → Calcium oxide + Carbon dioxide.


1 g of copper powder was taken in a China dish and heated. What change takes place on heating? When hydrogen gas is passed over this heated substance, a visible change is seen in it. Give the chemical equations of reactions, the name and the color of the products formed in each case.


Representation of the results of a chemical change – is a chemical equation.

For the equation: FeCl3 + 3NH4OH 3NH4Cl + Fe(OH)3 ↓

Answer the following:

Write the word equation for the above molecular equation.


Representation of the results of a chemical change – is a chemical equation.

For the equation: FeCl3 + 3NH4OH 3NH4Cl + Fe(OH)3 ↓

Answer the following:

Name the reactants and the products in the above equation.


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

ZnCO3 → ZnO + CO2


Balance the following simple equation:

Fe   +   Cl2  →  FeCl3 


The chemical equation Na2SO4(aq) + BaCl2(aq) → BaSO4(s)↓ + 2NaCl(aq) represents which of the following types of reaction?


Which of the following is the correct observation of the reaction shown in the above set up?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×