मराठी

What Do You Understand by Endothermic Reactions? - Science

Advertisements
Advertisements

प्रश्न

What do you understand by endothermic reactions?

Advertisements

उत्तर

Endothermic reaction is the chemical reaction that consumes heat to form products.
Example:

 

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Chemical Reactions and Equations - Exercise 1 [पृष्ठ २१]

APPEARS IN

लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exercise 1 | Q 35.2 | पृष्ठ २१

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

Balance the given chemical equation:

NH3 → N2 + H2


When hydrogen is passed over copper oxide, copper and steam are formed. Write a balanced equation for this reaction and state which of the chemicals are products.


Ammonia reacts with oxygen to form nitrogen and water. Write a balanced chemical equation for this reaction. Add the state symbols for all the reactants and products.


What is meant by chemical reaction? Explain with the help of an example.


Give one example of an exothermic reaction.


Name the various types of chemical reactions.


Write word equation for the following skeletal equation:

\[\ce{CO + O2 -> CO2}\]


Write your observation for the following chemical reaction and name the product formed :

When an aqueous solution of sodium chloride is mixed with an aqueous solution of silver nitrate.


The step(s) necessary for determining the percentage of water absorbed by raisins is/are:


In electrolysis of water, why is the volume of gas collected over one electrode double that of gas collected over the other electrode?


Answer the following question:
How do acids and bases react with each other? What is the name of the process? What product is obtained from these reactions?


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.


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


Give reason for the following:

Silver salts are kept in dark coloured bottles.


Balance the following simple equation:

KHCO3 →  K2CO3   +    H2O   +   CO2


Balance the following simple equation:

Zn  +   NaOH  →   Na2ZnO2   +   H2 


Write a balanced equation for the following word equation:

Potassium nitrate → Potassium nitrite + Oxygen


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

The reaction of excess ammonia with chlorine – Ammonia as a reducing agent

  1. Ammonia first reacts with chlorine to give hydrogen chloride and nitrogen.
  2. Hydrogen chloride then further reacts with excess ammonia to give ammonium chloride.

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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×