English

Write Word Equation for the Following Molecular Equation: Cuco3 → Cuo + Co2 G

Advertisements
Advertisements

Question

Write word equation for the following molecular equation:

CuCo3 → CuO + CO2 [g]

Word equation:

State the characteristics or indications occurring in the above reaction.

One Line Answer
Advertisements

Solution

Copper carbonate → Copper oxide + carbon dioxide

Indication –

The colour of Copper Carbonate (CuCO3) i.e. green changes to Copper oxide (CuO) i.e. Black

shaalaa.com
  Is there an error in this question or solution?
Chapter 5: Language of Chemistry - Chemical Equations

APPEARS IN

Viraf J. Dalal Simplified Middle School Chemistry [English] Class 7 ICSE
Chapter 5 Language of Chemistry
Chemical Equations | Q 1

RELATED QUESTIONS

Give one example of a chemical reaction characterised by a change in state.


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

Aluminium + Chlorine → Aluminium chloride.


Identify the type of reaction taking place of the following case and write the balanced chemical equation of the reaction:
Potassium iodide reacts with lead nitrate to produce potassium nitrate and lead iodide.


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.


Give a balanced equation for addition of iron to copper [II] sulphate solution. State the change in colour seen.


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

Zn + S → ZnS


Balance the following simple equation:

Fe2O3  +  CO  →  Fe  +  CO2 


Give a balanced equation by the partial equation method, [steps are given below].

Oxidation of Lead [II] Sulphide by Ozone

  1. Ozone first decomposes to give molecular oxygen & nascent oxygen.
  2. Nascent oxygen then oxidises lead [II] sulphide to lead [II] sulphate. 

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


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×