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ʙᴏɪʟɪɴɢ :-) ʙᴏɪʟɪɴɢ ᴏᴄᴄᴜʀ ᴀᴛ ᴛʜᴇ ᴩᴀʀᴛɪᴄᴜʟᴀʀ ᴛᴇᴍᴩᴇʀᴀᴛᴜʀᴇ ᴡʜᴇɴ ᴛʜᴇy ʟɪqᴜɪᴅ ɪꜱ ʜᴇᴀᴛᴇᴅ ʙᴏɪʟɪɴɢ ɪꜱ ᴛʜᴇ bulk ᴩʜᴇɴᴏᴍᴇɴᴀ. ɪᴛ ɪɴᴠᴏʟᴠᴇꜱ ꜰᴏʀᴍᴀᴛɪᴏɴ ᴏꜰ ᴠᴀᴩᴏᴜʀꜱ ꜰʀᴏᴍ ᴛʜᴇ ᴇɴᴛɪʀᴇ ʟɪqᴜɪᴅ ʙᴏɪʟɪɴɢ ᴅᴇᴩᴇɴᴅꜱ ᴍɪɴɪ ᴏɴ ᴀᴛᴍᴏꜱᴛʀɪᴄ ᴩʀᴇꜱꜱᴜʀᴇ ᴀɴᴅ ᴀᴍᴏᴜɴᴛ ᴏꜰ ʜᴇᴀᴛ ꜱᴜᴩᴩʟɪᴇᴅ.

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Kashvi Aggarwal 2 years, 4 months ago

ᴇᴠᴀᴩᴏʀᴀᴛɪᴏɴ:-) *ᴇᴠᴀᴩᴏʀᴀᴛɪᴏɴ ᴏᴄᴄᴜʀꜱ ᴏɴ ɪᴛꜱ ᴏɴ ᴀᴛ ᴀʟʟ ᴛᴇᴍᴩᴇʀᴀᴛᴜʀᴇꜱ. *ᴇᴠᴀᴩᴏʀᴀᴛɪᴏɴ ɪꜱ ꜱᴜʀꜰᴀᴄᴇ ᴩʜᴇɴᴏᴍᴇɴᴏɴ ɪᴛ ᴛᴀᴋᴇꜱ ᴩʟᴀᴄᴇ ᴏɴʟy ꜰʀᴏᴍ ᴛʜᴇ ꜱᴜʀꜰᴀᴄᴇ ᴏꜰ ᴛʜᴇ ʟɪqᴜɪᴅ. *ᴇᴠᴀᴩᴏʀᴀᴛɪᴏɴ ᴄᴀᴜꜱᴇꜱ ᴄᴏᴏʟɪɴɢ ᴇꜰꜰᴇᴄᴛ. *ᴇᴠᴀᴩᴏʀᴀᴛɪᴏɴ ᴅᴇᴩᴇɴᴅꜱ ᴏɴ ᴍᴀɴy ꜰᴀᴄᴛᴏʀ ʟɪᴋᴇ ꜱᴜʀꜰᴀᴄᴇ ᴀʀᴇᴀ, ᴛᴇᴍᴩᴇʀᴀᴛᴜʀᴇ, ᴡɪɴᴅ, ꜱᴩᴇᴇᴅ, ʜᴜᴍɪᴅɪᴛy ᴇᴛᴄ.

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Shubham Singhania 2 years, 4 months ago

A liquid direct change in gas is called evaporation

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ANSWER

Explain RER

Posted by Priyanshu Kumar 2 years, 4 months ago

CBSE > Class 09 > Science

1 answers

Priyanka Devi 2 years, 4 months ago

RER means Rough endoplasmic reticulum In rer ribosomes are present

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ANSWER

Is it possible that an object moving with an acceleration but with uniform speed. Explain with example.

Posted by Gorisha Dharmani 2 years, 4 months ago

CBSE > Class 09 > Science

1 answers

Ajaychettri Chettri 2 years, 4 months ago

Fccfcc

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ANSWER

Explain how evaporation causes cooling

Posted by Account Deleted 2 years, 4 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

A note on cell organelle

Posted by Kanika Agrawal 2 years, 4 months ago

CBSE > Class 09 > Science

4 answers

Yashika Sharma 2 years, 3 months ago

cell organelles are present in cytoplasm of cells there are many types of bodies in cytoplasm are called cell organelles

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Druti Debroy 2 years, 4 months ago

A cell organelle is suspended in the cytoplasm. It mantains division of labour. Examples are mitochondria

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Kanika Agrawal 2 years, 4 months ago

Thank you

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Ayush Kumar 2 years, 4 months ago

a subcellular structure that has one or more specific jobs to perform in the cell, much like an organ does in the body

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Why do we get hurt when we strike a brick but we don't get hurt on beating against water?

Posted by Account Deleted 2 years, 4 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

Why solid CO2 is also known as dry ice

Posted by Hazel Chugh 2 years, 4 months ago

CBSE > Class 09 > Science

1 answers

Ayush Kumar 2 years, 4 months ago

English = because the gas on solidifying gives an appearance similar to that of ice. Hindi =सामान्य बर्फ की तरह यह ठोस द्रव में परिवर्तित नहीं होती है बल्कि वायुमंडलीय दाब और 78.7 डिग्री सेन्टीग्रेड तापमान पर ठोस से सीधे गैस में परिवर्तित हो जाती है

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ANSWER

The only cell organelle seen in a prokaryotic is

Posted by Raja _Kr 2 years, 4 months ago

CBSE > Class 09 > Science

2 answers

Priyanka Devi 2 years, 4 months ago

No ,it is seen only in eukaryote cells

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Harman Sidhu 2 years, 4 months ago

Amoeba

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ANSWER

Who discovered in cell

Posted by Shreya ☺️☺️ 2 years, 4 months ago

CBSE > Class 09 > Science

5 answers

Account Deleted 2 years, 4 months ago

Robert Hooke in 1665

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Badal Vikrant 2 years, 4 months ago

Robert hooke

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Shubhankar L 2 years, 4 months ago

Sir Robert Hooke discovered the cell in 1665.

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Riya Rajput 2 years, 4 months ago

Robert hooke in 1665

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Seema Choudhary 2 years, 4 months ago

Robert hooke

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An athlete completes one round of a circular track of diameter 200 m in 40 s what will be the distance covered and the displacement at the end of 2 minutes 20 s?

Posted by Pratik Kumar 2 years, 4 months ago

CBSE > Class 09 > Science

4 answers

Druti Debroy 2 years, 4 months ago

14.14 m/s

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Kanika Agrawal 2 years, 4 months ago

Distance - 2200m Displacement - 200m

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Manveer Kaur Maan 2 years, 4 months ago

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Divya Sahu 2 years, 4 months ago

200 metres

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ANSWER

A farmer moves along the boundary of a square field of side 10 m in 40 second what will be the magnet of displacement of the farmer at the end of 2 minutes 20 second from his initial position

Posted by Darvika Tilker 2 years, 4 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

What is bulk phenomenon

Posted by Suhani Kumari 2 years, 4 months ago

CBSE > Class 09 > Science

3 answers

Lovely Kaur 2 years, 4 months ago

Boiling point

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Badal Vikrant 2 years, 4 months ago

Boiling and boiling point

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Rani Raj 2 years, 4 months ago

If u know that what is boiling point so u know that what is bulk phenomenon see :- The temperature at which a liquid starts boiling at the atmospheric pressure is known as boiling point OK and the Boiling point is a bulk phenomenon.

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ANSWER

Note on nucleus.

Posted by Himashree Parashar 2 years, 4 months ago

CBSE > Class 09 > Science

5 answers

Yashika Sharma 2 years, 3 months ago

Nucleus also known as brain of cell. It is bounded by double membrane is called nuclear membrane. It contains raw material etc.Nucleus is in the centre of cell.It is a dark coloured spherical or oral or dot line structure near the centre of the cell called nucleus the nucleus play the central role in cellular activities the chromatic material get organised into chromosomes the chromosomes contains information for inheritance of features from parents to next generation in the form of DNA (deoxyribo nucleic acid) and protein molecules the functional segment of DNA are called genes.

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Kanika Agrawal 2 years, 4 months ago

It is a dark coloured spherical or oral or dot line structure near the centre of the cell called nucleus the nucleus play the central role in cellular activities the chromatic material get organised into chromosomes the chromosomes contains information for inheritance of features from parents to next generation in the form of DNA (deoxyribo nucleic acid) and protein molecules the functional segment of DNA are called genes.

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Riya Rajput 2 years, 4 months ago

Nucleus also known as brain of cell. It is bounded by double membrane is called nuclear membrane. It contains raw material etc.

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Akhilesh Bishi 2 years, 4 months ago

Nucleus is in the centre of cell.

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Suhani Kumari 2 years, 4 months ago

Nucleus is a part of cell

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ANSWER

I want explanation not a definition..... About density

Posted by Badal Vikrant 2 years, 4 months ago

CBSE > Class 09 > Science

3 answers

Yashika Sharma 2 years, 3 months ago

density means which space is covered by object for example take some water in glass the molecules of water occupy some space is known as density . density is mass/volume this is formula of density volume =space covered .mass = weight

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Badal Vikrant 2 years, 4 months ago

Thnx

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Shubhankar L 2 years, 4 months ago

Density is like which floats on the water having less pressure over it.

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The ink of pen is a matter or not

Posted by Bishal Kashyap 2 years, 4 months ago

CBSE > Class 09 > Science

5 answers

Riya Rajput 2 years, 4 months ago

Yess!!!

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Rani Raj 2 years, 4 months ago

Yes it is a matter And u know that how ? 👍

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Nitya Shukla 2 years, 4 months ago

Yes bro it is matter

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Badal Vikrant 2 years, 4 months ago

Yes it's matter

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Ishani Mishra 2 years, 4 months ago

It is a matter

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ANSWER

373 Celsius into kelvin

Posted by Megha Kumari 2 years, 4 months ago

CBSE > Class 09 > Science

5 answers

Riya Rajput 2 years, 4 months ago

K=C⁰+273 =373+273 =646⁰C.

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Rani Raj 2 years, 4 months ago

373+ 273 = 646 this is your answer 🙂

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Nikum Nikum 2 years, 4 months ago

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Nitya Shukla 2 years, 4 months ago

646

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Suhani Kumari 2 years, 4 months ago

649

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What is matter in our surrounding

Posted by Aman Sen Sen 2 years, 4 months ago

CBSE > Class 09 > Science

3 answers

Account Deleted 2 years, 4 months ago

Anything in our surroundings which is made up of small particles and has space and mass is called Matter. Matter has two properties and the are Physical and Chemical property. And on the basis of Physical properties, matter is classified as solids, liquids and gases. And on the basis of Chemical Properties, matter is classified as elements, compounds and mixtures. Example: air and water, hydrogen and oxygen, sugar and sand, milk and oil, etc..

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Riya Rajput 2 years, 4 months ago

Anything that occupies space and has mass is called matter.

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Ishani Mishra 2 years, 4 months ago

Matter is anything which occupies space and has mass.

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What is chemical reactions

Posted by Gyanshu Yadav 2 years, 4 months ago

CBSE > Class 09 > Science