Exercise Questions Chapter -1 Matter in our Surroundings class IX Science |Gyaani keeda class IX|

In this lecture we are going to solve the exercise questions of class IX Science chapter -1 Matter in our Surroundings .

Chapter -1 Chemical reactions & Equations |Class IX Science |Complete video link ||

Lecture 1.1 Class IX Science |Chapter -1 Matter in our Surroundings |😊

Lecture 1.2 Class IX Science |Chapter -1 Matter in our Surroundings |😊

Lecture 1.3 Class IX Science |Chapter -1 Matter in our Surroundings |😊

Lecture 1.4 Class IX Science |Chapter -1 Matter in our Surroundings |😊

[visheshrattan]

Latent heat of fusion -The amount of heat which is used to change 1 kg of solid into liquid at atmospheric pressure at its melting point

[rehanpradhan]

Melting point of ice-0⁰C and 273K
Boiling Point of water-100⁰C and 373K

[amanpundir]

Sir me class ma 1 ata tha 😢😢but meri mummy ka heart ka operation hua hai or unki tabiyat kharab hai😭😭🙏

[rajeshkale]

Latent heat of fusion : the amount of heat which is used to change 1 kg of solid into liquid at atmospheric pressure as it melting point

[autoXplorer]

*Melting point- The temperature at which solid melt to become liquid at atmospheric pressure is called melting point .
*Boiling point-The temperature at which liquid starts boiling at atmospheric pressure is called boiling point.

[maheeplayzofficial]

melting point of ice =0 degeree c in kelvin =273k
boiling point of water =100 degeree c in kelvin=373k

[arshahmad]

9:
Boiling point =100 degree celsius
Freezing point =0 degree celsius

[MukeshSharma-hmic]

thanks a lot sir for this video your explanation is mind blow😊😊

[chandakumari]

Wow aap kitna acha explain krte hai kash aap pehle mil jaate 😢😢

[roshnyy_._.]

So typically latent fusion is that amount of heat energy required to convert solid into liquid or vapour at a atmospheric pressure.

[Rajbala_sharma]

Thank you sir bhut jldi samjh aya apka samjhaya hua mujhe😊

[yogesh_kumar]

Literraly you are best teacher in a scince😮😮😮

[creationworld]

Latend Heat of fusion -the amount of heat which is used to change 1kg of solid into liquid at atmospheric pressure at its melting point.

[rishavrai]

Thanks Sir For Questions and hare Krishna❤❤

[universallypiyush]

Latent heat of fusion : The amount of heat required by one kg of solid to convert liquid at a atmosphere pressure at a melting point

[deepakYadav-roce]

Latent heat of vaporization is used to be converts of 1kg amount of Liquid into gas with given atmospheric pressure.

[Rishav_king_]

If we defuse solid to solid?

Ans -It is even possible for a solid to diffuse into another solid; e.g., pure gold will diffuse into pure lead, two pieces of chalk tightly wrapped together are found to become homogeneous after some years; although at room temperature this diffusion is very slow.

[sayedmubashir]

3:50_Melting Point of ice is 0°C i.e. 273.15K
4:07_Boiling Point of water is 100°C i.e. 373K.

[RajKumar-qfzp]

Latent heat of vaporisation- The amount of heat 1kg liquid into water vapour at atmospheric pressure at its boiling point are called latent heat of vaporisation-

[akashkumarsingh]

Sir The way you teach us is Amazing....I have not a single doubt from this thanks sir❤️❤️