हिंदी
सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

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

Advertisements
Advertisements

प्रश्न

Write word equation for the following molecular equation:

CuCo3 → CuO + CO2 [g]

Word equation:

State the characteristics or indications occurring in the above reaction.

एक पंक्ति में उत्तर

उत्तर

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
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Language of Chemistry - Chemical Equations

APPEARS IN

विराफ जे दलाल New Simplified Middle School Chemistry [English] Class 7
अध्याय 5 Language of Chemistry
Chemical Equations | Q 1

संबंधित प्रश्न

Write the balanced chemical equations of the following reactions.

chlorine + sulphur dioxide + water →  sulphuric acid + hydrogen chloride


Write the balanced chemical equation of the following reaction.

aluminium sulphate + sodium hydroxide → sodium sulphate + sodium meta aluminate + water.


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

0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of chlorine gas formed.


Balance the following simple equation:

C   +   O2  →  CO


Balance the following simple equation:

H2   +   Cl2  →  HCl


Balance the following simple equation:

K  +   H2O   →   KOH   +   H2 


Write a balanced equation for the following word equation:

Nitrogen dioxide + Water + Oxygen → Nitric acid


Write a balanced equation for the following word equation:

Aluminium + Oxygen → Aluminium oxide 


With reference to a chemical equation state which of the statements 1 to 5 pertain to A or B.
A: Information provided by a chemical equation. 
B: Limitations of a chemical equation.

  1. The nature of the individual elements.
  2. The speed of the reaction.
  3. The state of matter in which the substance is present.
  4. The completion of the reaction.
  5. The direction of the reaction.

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?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×