हिंदी

Balance the following equation: Pb3O4 → PbO + O2 - Chemistry

Advertisements
Advertisements

प्रश्न

Balance the following equation:

Pb3O4 → PbO + O2

एक पंक्ति में उत्तर
Advertisements

उत्तर

2Pb3O4 → 6PbO + O2

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: The Language of Chemistry - Exercise 1 (B) [पृष्ठ १५]

APPEARS IN

सेलिना Concise Chemistry [English] Class 9 ICSE
अध्याय 1 The Language of Chemistry
Exercise 1 (B) | Q 5.06 | पृष्ठ १५

संबंधित प्रश्न

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

Barium chloride reacts with zinc sulphate to give zinc chloride and barium sulphate.


Write word equation for the following skeletal equation:

\[\ce{CO + O2 -> CO2}\]


Write word equation for the following skeletal equation:

\[\ce{Na + O2 ->  Na2O}\]


Balance the following equation. Also name the product formed. 

 `"H"_2 +"CI"_2  →  "HCI"`


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.


Balance the following simple equation:

ZnS   +   O2  →  ZnO + SO2 


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

NaOH + CO2 → Na2CO3 + H2O


Match the columns.

  Reactants Products Types of chemical reaction
1. MgH2 Mg + H2 Endothermic
2. 2H2S + SO2 3S + 2H2O Oxidation
3. CaO + H2O Ca(OH)2 + heat Exothermic
        Redox

A dilute ferrous sulphate solution is gradually added to the beaker containing acidified permanganate solution. The light purple colour of the solution fades and finally disappears. Which of the following is the correct explanation for the observation?


Complete the following blank in the equation as indicated.

\[\ce{CaH2_{(s)} + 2H2O_{( aq)}-> Ca(OH)2_{(s)} + 2H2_{(g)}}\]

Grams: 42 g + ______ `→` ______ + ______


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×