Is Matter around us pure ? One Shot with Experiment Science 2024-25 | Class 9th Science by Ashu Sir

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Is Matter around us pure ? One Shot with Experiment Science 2024-25 | Class 9th Science by Ashu Sir

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[theavengers]

1:30:28 physical changes ::
Cutting of paper😮
Boiling of milk
Making of clothes
Making of book
Chemical change ::
Burning of wood
Making of curd
Making of chapati
Making of vegetable
Cutting of vegetable

[AbhishekNath-cluv]

1:30:25 Physical Change :
• Cutting of papper.
• Cutting of wood.
• Boiling milk.
• Making clothes.
Chemical change :
• Making curd.
• Bursting of crackers.
• Burning of papers.
• Making chapati.
• Ripening of fruits.
• Etc.

[AKSHANSHCHAMOLI-sixu]

The great teacher come with great responsibility ❤❤❤❤❤❤

[RaginiShukla-pvjw]

Jo like nahi kiya vo 9th mai fail
(Don't take risk)😱😱

[RoshniVirwani]

1:30:31 physical changes
1. Cutting of paper.
2. Cutting of fruits.
3. Dissolving of salt in water.
4. Cutting of trees.
5. Freezing water.

[xebec_]

1:30:23

Chemical change
•Acid rain
•Rusting of Iron
•burning of wood
•phosphorus in room temperature
•cell dissolving ( lysosomes )
Physical change
•melting of glaciers
•Freezing of ice
•breaking of chalk
•evaporation of water
•boiling of milk

[EmranBehera]

I always think if these teachers know all/so many things why they didn't become Doctors?

[Harshita_boutique]

20:50
●Blood is a mixture
●Glucose is a compound
●Whisky is a mixture

[surjeetkaswan]

Ashu sir very good science teacher

He works hard

[santoshkedawat]

P. C.
Cutting of vegetables
Cutting of trees
Melting of any metal
Making of a dough
Mixing of salt and sugar

C.C
Burning of ash
Cooking of food
Making of a coal
Making of curd
Making of chapati

[preetchaudhary]

5 physical changes
a.) melting of sugar
b.) crumbling of paper
c.)water into vapour
d )cutting of vegetables 🍆

5 chemical changes
a.)burning of candle
b.)cutting of trees
c.) cooking of vegetables 🥒 😋
d.)burning of wood

[praveenrathi]

20:47
1. Blood is mixture.
2. Glucose is compound mixture of corbon+hydrogen+oxygen
3. Whisky is mixture.

[progamerz]

7:51 but sir I have doubt that when we alpha decay the uranium it break down into two constituents alpha particles and thorium
Then why do you said that elements are made from 1 particle

[praveenrathi]

1:30:30
Chemical change
1. When copper react with atmospheric gases it forms a greenish colour on it.
2. When paper burn due the presence oxygen it release many gases.
3. Same as when plastic burns due to the presence of oxygen it release is many harmful gases.
4. When rusted iron nail put water it reacts and water colour become green.
.

[melinakacy]

Sir I am in class 12 now and sir please explain us chapter 5 .... because you're the only who could make me understood all the concepts, numericals know sir you might be busy a bit ....but I hope you'll explain us all the I've wasted all day in searching lectures the way you used to teach us..but sadly there's no one like you who' can explain well also sir if you'll explain us chapter 5 a small request sir like can you write. Considerations too...thank you sir

[praveenrathi]

1:30:30
Physical change
1. Liquefied co2-when we apply pressure on co2 it get converted into
Liquid.
2. Liquefied petroleum gas-when we apply pressure on petroleum gas it get converted into liquid.
3. Dry ice- At low pressure and less temperature co2 converted into dry
Ice.

[Thomas_Shelby_]

Abhi aa rhe honge vo log ye bolne wale WHO IS WATCHING IN 2024 ? 😂

[TejasSatti]

5 physical change:
Cutting of tree
breaking of wood
melting of ice
bruh aur nahi bolne kaa man kar raha
3 chemical change:
Growing of plant
Digestion of food
burning of wood

[Dots_official]

Sir please make a video on Chemistry chapter 1 and 2 subjective questions 🙏

[roshanbagdi]

Physical change
1) prosser of making tea
2) changing liquid in solid
3) cuting the vegetable 🥒🍆
Sorry sir Bus itna hi yad a raha tha