मराठी

Balance the Given Chemical Equation: C + Co2 → Co - Science

Advertisements
Advertisements

प्रश्न

Balance the given chemical equation:

C + CO2 → CO

Advertisements

उत्तर

C + CO2 → 2CO

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Chemical Reactions and Equations - Exercise 1 [पृष्ठ १९]

APPEARS IN

लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exercise 1 | Q 18.4 | पृष्ठ १९

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

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

Phosphorus burns in oxygen to give phosphorus pentoxide.


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.


Aluminium hydroxide reacts with sulphuric acid to form aluminium sulphate and water. Write a balanced equation for this reaction.


Is Photosynthesis an endothermic reaction or an exothermic reaction?


Which of the following is not an endothermic reaction?

(a) CaCO3 → CaO  +  CO2

(b) 2H2O →2H2 + O2

(c) 6CO2 + 6H2O → C6H12O6  +  6O2

(d) C6H12O6  + 6O2 → 6CO2  + 6H2O


Balance the following chemical equation:


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

Calcium + Nitrogen → Calcium nitride


Balance the following equation:

PbO + NH3 → Pb + H2O + N2

 


Balance the following equation:

 H2O + Cl2 → HCl + O2


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

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


Write word equation for the following molecular equation:

CuCo3 → CuO + CO2 [g]

Word equation:

State the characteristics or indications occurring in the above reaction.


Write word equation for the following molecular equation:

\[\ce{N2 + 3H2 ⇌[Fe - 450°C][200 atoms] 2NH3 + \triangle}\]

Word equation:
State why [+ Δ] indication is seen after NH3.
State what 200 atmospheres – indicates.
State the function of Fe in the above reaction.


In certain reaction a change of state is observed i.e. solid to liquid, liquid to gas etc. – State the change of state of the products – to give the respective reactant.

NH3 + HCl ⇌ NH4Cl 


In certain reaction an insoluble solid called precipitate is formed. State the colour and name of the precipitate formed in the following reaction involving addition of:

Copper [II] sulphate to sodium hydroxide.


Name the following:

The silvery residue obtained on heating mercury [II] oxide.


Write word equation for the following chemical reaction given below. Also state the observation seen in the case.

\[\ce{Na2SO3 + 2HCl ->[\triangle] 2NaCl + H2O + SO2}\]


Balance the following simple equation:

NO   +   O2  →  NO2 


Balance the following simple equation:

CO2   +   C  →  CO 


Balance the following simple equation:

KHCO3 →  K2CO3   +    H2O   +   CO2


Which of the following is not a physical change?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×