हिंदी

Complete and Balance the Following Equation: Naoh + ............ Na2 So4 + H2o - Science

Advertisements
Advertisements

प्रश्न

Complete and balance the following equation:

NaOH  + ............     Na2 SO4    + H2O

 

Advertisements

उत्तर

2NaOH + H2SO4 → Na2SO4 + 2H2O

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Chemical Reactions and Equations - Exercise 1 [पृष्ठ १९]

APPEARS IN

लखमीर सिंग Chemistry (Science) [English] Class 10
अध्याय 1 Chemical Reactions and Equations
Exercise 1 | Q 12.1 | पृष्ठ १९

वीडियो ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्न

Translate the following statement into chemical equation and then balance it.

Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.


Correct and balance the following equation:

N    +   H     NH3


Balance the given equation:

AI(OH)3   AI2O3 +H2O


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


The chemical equations are balanced to satisfy one of the following laws in chemical reactions. This law is know as:
(a) law of conservation of momentum
(b) law of conservation of mass
(c) law of conservation of motion
(d) law of conservation of magnetism


When water is added gradually to a white solid X, a hissing sound is heard and a lot of heat is produced forming a product Y. A suspension of Y in water is applied to the walls of a house during white washing. A clear solution of Y is also used for testing carbon dioxide gas in the laboratory.
(a) What could be solid X? Write its chemical formula.
(b) What could be product Y? Write its chemical formula.
(c) What is the common name of the solution of Y which is used for testing carbon dioxide gas?
(d) Write chemical equation of the reaction which takes place on adding water to slid X.
(e) Which characteristic of chemical reactions is illustrated by this example?


Write your observation for the following chemical reaction and name the product formed :
When ammonium chloride is heated with sodium hydroxide.


Balance the following equation Also name the product formed.

`"K" + "CI"_2 → "KCI"`


Balance the following equation. Also name the product formed. 

 `"H"_2 +"CI"_2  →  "HCI"`


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

Magnesium + Sulphuric acid → Magnesium sulphate + Hydrogen


Choose the correct answer from the options given below.

The formula of sodium carbonate is Na2CO3 and that of calcium hydrogen carbonate is


(a) Give only one suitable chemical test to identify the following gases.

  1. Ammonia
  2. Sulphur dioxide
  3. Hydrogen Chloride
  4. Chlorine
  5. Carbon Dioxide
  6. Oxygen
  7. Hydrogen

(b) Select a basic gas mentioned in Q.1 (a). How is the basic nature suspected?

(c)Select acidic gases from the gases mentioned in Q.1 (a). How is the acidic nature suspected?

(d) State the gas responsible for bleaching action.

(e)Which gas turn blue cobalt chloride paper light pink?

 


When a potassium iodide solution is added to a solution of lead (II) nitrate in a test tube, a precipitate is formed.

What is the colour of this precipitate? Name the compound precipitated.


What is meant by ‘reactants’ and ‘products’ in a chemical equation?


Balance the following simple equation:

CO2   +   C  →  CO 


Balance the following simple equation:

H2  +   O2  →   H2O


Balance the following simple equation:

Fe2O3  +  CO  →  Fe  +  CO2 


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

2H2O + 2Cl2 → 2HCl + O2


Complete the following blank in the equation as indicated.

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

Molecules: 6.02 × 1023 + ______ `→` ______ + ______


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×