मराठी

Complete and balance the following equation: NaOH + .......... -> Na2⁢SO4 + H⁡2⁢O

Advertisements
Advertisements

प्रश्न

Complete and balance the following equation:

\[\ce{NaOH + {..........} -> Na2SO4 + H2O}\]

रासायनिक समीकरणे/रचना
Advertisements

उत्तर

\[\ce{2NaOH + H2SO4 -> Na2SO4 + 2H2O}\]

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Chemical Reactions and Equations - Exercise 1 [पृष्ठ २८]

APPEARS IN

लखमीर सिंह Chemistry Part 2 [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exercise 1 | Q 12. (a) | पृष्ठ २८

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

Giving examples, state the difference between balanced and unbalanced chemical equations.


State one characteristic of the chemical reaction which takes place when lemon juice is added gradually to the potassium permanganate solution.


Which of the following is not an endothermic reaction?


The removal of oxygen from a substance is called ______.


Balance the following equation :

Pb3O4 → PbO + O2


Write your observation and name the product when zinc reacts with dilute hydrochloric acid.


Write your observation and name the product when An aqueous solution of barium chloride is added to dilute sulphuric acid.


What information do the following chemical equations convey? Mg + 2HCl → MgCl2+ H2


Write the balanced chemical equation of the following reaction.

barium chloride + sulphuric acid → barium sulphate + hydrochloric acid


Write the balanced chemical equation of the following reaction.

zinc sulphide + oxygen → zinc oxide + sulphur dioxide


A chemical reaction is generally accompanied by certain external indications or characteristics. These include – change of – (a) colour (b) state (c) smell (d) evolution of gas (e) formation of precipitate (f) evolution or absorption of heat. With reference to change of colour – state the change in colour seen when the following are heated – copper carbonate.


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.

2H2 + O2 → 2H2O


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:

Lead nitrate to ammonium hydroxide.?


Balance the following simple equation:

N2   +   O2  ⇌  NO


Balance the following simple equation:

H2S   +   Cl2  →  S  +  HCl 


Balance the following simple equation:

Fe  +   H2O  ⇌   Fe3O4   +   H2 


Balance the following simple equation:

Al  +   H2SO4  →   Al2(SO4)3   +   H2 


In the chemical equation the _______ are written on the left-hand side.


Write an Explanation.

Balanced equations


Balance the following chemical equation.

  1. Na + O2 → Na2O3
  2. Ca + N2 → Ca3N2
  3. N2 + H2 →NH3
  4. CaCO3 +HCl → CaCl2 + CO2 +H2O
  5. Pb(NO3)2 → PbO + NO2 + O2

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×