Incorrect URL accessed!!!!

ANSWER

How does the cork act as a protective tissue?

Posted by Miril Bhandari 3 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Ramesh Ram 3 years, 5 months ago

The cork cell are dead completely packed with no intermolecular space. It protects the plants against mechanical injury and also prevents the loss of water by evaporation.

ANSWER

What about a rubber band can it change its shape on stretching? Is it a solid?

Posted by Abir Chakraborty 3 years, 5 months ago

CBSE > Class 09 > Science

2 answers

Arsh Preet 3 years, 5 months ago

Yes it is solid

Anish Janghu 3 years, 5 months ago

Yes it is solid but when we applie force on the rubber band it change its shape but when we expelled the rubber band it come back in its shape

ANSWER

4.Mention the features of all chordates.

Posted by Miril Bhandari 3 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Sia ? 3 years, 5 months ago

Features are:

Have a notochord
Have a dorsal nerve cord
are triploblastic
are coelomate

ANSWER

What is matter?

Posted by Aryansh Mishra 3 years, 5 months ago

CBSE > Class 09 > Science

5 answers

Dipak Garg 3 years, 5 months ago

Anything which need space and mass is called mater

Abir Chakraborty 3 years, 5 months ago

•Any thing which occupies space and have mass is called matter. •Matter is made up of small particles (atom or molecules).

Pallavi Raj 3 years, 5 months ago

Anything which occupies space and have some mass is known as matter

Miril Bhandari 3 years, 5 months ago

Anything which occupies space and had mass is called matter

Aryansh Mishra 3 years, 5 months ago

Matter is made up of small particles.

ANSWER

The value of a question G in the law of gravity

Posted by Rajnandini Soni 3 years, 5 months ago

CBSE > Class 09 > Science

2 answers

Ranjeet Kumar Pandit?? 3 years, 5 months ago

6.67×10^-11nm^2/kg^2

Rajnandini Soni 3 years, 5 months ago

Displacement on the mass of Earth only

ANSWER

Chapter 1 ka answer the following questions

Posted by Prince Kumar Prajapati 3 years, 5 months ago

CBSE > Class 09 > Science

3 answers

Dipak Garg 3 years, 5 months ago

Which subject beta

Pallavi Raj 3 years, 5 months ago

Which subject

Prachi Saxena 3 years, 5 months ago

Which subject

8Thank You

ANSWER

Atomic number of sulfer

Posted by Jagdish Panda 3 years, 5 months ago

CBSE > Class 09 > Science

5 answers

Sia ? 3 years, 5 months ago

Atomic number of sulfur = 16

Pallavi Raj 3 years, 5 months ago

Praveen Pathak 3 years, 5 months ago

Which of the following matter

Bhanu Pratap Yadav 3 years, 5 months ago

? it's suplhur

Himanshu Rathore 3 years, 5 months ago

Atomic number of sulphur=16

ANSWER

How we can change the state of matter

Posted by Sristy Kumari 3 years, 5 months ago

CBSE > Class 09 > Science

3 answers

Chaitanya Rai 3 years, 5 months ago

By heating aur cooling

Ramesh Ram 3 years, 5 months ago

Matter can change from one state to another if heated or cooled. If ice is heated it change in water. If water is heated it change in steam.

Abhinav Singh Bhadoriya 3 years, 5 months ago

When we increase or decrease the temperature the state of matter change

ANSWER

What at room temperature is a liquid

Posted by Ruchi Kanaujia 3 years, 5 months ago

CBSE > Class 09 > Science

5 answers

Raj Nandni 3 years, 5 months ago

Mercury

Harsh Wardhan Singh Rathore 3 years, 5 months ago

meecury

Mayank Jha 3 years, 5 months ago

Mercury

Prachi Saxena 3 years, 5 months ago

Mercury is the Answer

Mragank Galav 3 years, 5 months ago

Mercury

ANSWER

Definition of matter

Posted by Sarita Yadav 3 years, 5 months ago

CBSE > Class 09 > Science

5 answers

Golu Singh 3 years, 5 months ago

Anything which occupies space and has mass is called matter

Abhinav Singh Bhadoriya 3 years, 5 months ago

Anything which occupy space and having mass or volume is called matter

Akash Kumar Thakur 3 years, 5 months ago

Everthing in our universe made by material each material are matter

Anu Kumari 3 years, 5 months ago

A matter is that which can occupy space and have mass and volume

Adarsh Kumar 3 years, 5 months ago

Anything that has a space and mass and can be felt by our senses

ANSWER

Why BaSo4(s) is percitipate why not Na2So4??

Posted by Nidhi Badgujar 3 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Anu Kumari 3 years, 5 months ago

This is because (BaSo4) is a solid solute which separated as a precipitate while Na2So4 is soluble in water.

ANSWER

Notes on matter

Posted by Ganti Vedha Vignyathri 3 years, 5 months ago

CBSE > Class 09 > Science

2 answers

Name- Dhruv 3 years, 5 months ago

Anything that occupies space and has mass and is felt by senses is called matter. According to indian ancient philosphor, matter is the form of five basic elements (the Panchtatva) – air , earth ,fire , sky and water. Characteristics of particles of matter Made of tiny particles. Vacant spaces exist between particles. Particles are in continuous motion. Particles are held together by forces of attraction. States of Matter Basis of Classification of Types Based upon particle arrangement Based upon energy of particles Based upon distance between particles Five states of matter Solid Liquid Gas Plasma Bose-Einstein condensate (I) SOLID Fixed mass, volume and shape Inter-particle distances are least. Incompressible. High density and do not diffuse Inter particle forces of attraction are strongest. Constituent particles are very closely packed. (II) LIQUID Not fixed shape but fixed volume and mass. Inter particle distances are larger than solid. Almost incompressible. Density is lower than solids and can diffuse. Inter particle forces of attraction are weaker than solids . Constituent particles are less closely packed. (III) GAS Neither fixed shape nor fixed volume. Inter particle distances are largest. Highly compressible. Density is least and diffuse. Inter particle forces of attraction are weakest. Constituent particles are free to move about. (IV) PLASMA (NON-EVALUATIVE) A plasma is an ionized gas. A plasma is a very good conductor of electricity and is affected by magnetic fields. Plasma, like gases have an indefinite shape and an indefinite volume. Ex. Ionized gas (v) BOSE-EINSTEIN CONDENSATE (non –evaluative) A BEC is a state of matter that can arise at very low temperatures. The scientists who worked with the Bose-Einstein condensate received a Nobel Prize for their work in 1995. The BEC is all about molecules that are really close to each other (even closer than atoms in a solid). Microscopic Explanation for Properties of Solids Solids have a definite shape and a definite volume because the particles are locked into place Solids do not flow easily because the particles cannot move/slide past one another Solids are not easily compressible because there is little free space between particles Microscopic Explanation for Properties of Liquids Liquids are not easily compressible and have a definite volume because there is little free space between particles. Liquids flow easily because the particles can move/slide past one another. Liquids flow easily because the particles can move/slide past one another. Microscopic Explanation for Properties of Gases Gases are easily compressible because there is a great deal of free space between particles Gases flow very easily because the particles randomly move past one another. Gases have an indefinite shape and an indefinite volume because the particles can move past one another (non –evaluative) Microscopic Explanation for Properties of Plasmas Plasmas have an indefinite shape and an indefinite volume because the particles can move past one another. Plasmas are easily compressible because there is a great deal of free space between particles. Plasmas are good conductors of electricity &are affected by magnetic fields because they are composed of lens. Microscopic Explanation for Properties of BEC Particles are less energetic than solids because Exist at very low temperature. Particles are literally indistinguishable because they are locked into same space . BEC shows super fluidity because Particles can flow without friction. Interchange in states of matter Water can exist in three states of matter – Solid, as ice, Liquid, as the familiar water, and Gas, as water vapour.

H S S 3 years, 5 months ago

ANSWER

विलियन क्या है उदाहरण सहित बताएं

Posted by Mukund Jha 3 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Sia ? 3 years, 5 months ago

दो या दो से अधिक अवयवों के समांगी मिश्रण को विलयन कहा जाता है। जैसे नमक तथा जल का मिश्रण, ऑक्सीजन तथा नाइट्रोजन का मिश्रण, चीनी तथा जल का मिश्रण आदि।

ANSWER

नियम क्या है उदाहरण सहित बताएं

Posted by Mukund Jha 3 years, 5 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

Symbol of sulphide

Posted by Muhammad Suhaib 3 years, 5 months ago

CBSE > Class 09 > Science

5 answers

Pallavi Raj 3 years, 5 months ago

Harsh Wardhan Singh Rathore 3 years, 5 months ago

S^-2

Prachi Saxena 3 years, 5 months ago

Ch.Muzaif Rana 3 years, 5 months ago

Mohammed Ayaan 3 years, 5 months ago

S2-

ANSWER

Meaning of compression

Posted by Virupakshappa B Shettar Shettar 3 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Subrajeet Swain 3 years, 5 months ago

Providing any kind of force on any thing.

ANSWER

A diver is able to cut through water in a swimming pool. Which property of matter does this observation show

Posted by Adil Siddiqui 3 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Subrajeet Swain 3 years, 5 months ago

Intermolcular space

ANSWER

Which method used to liquify the gases?

Posted by Virupakshappa B Shettar Shettar 3 years, 5 months ago

CBSE > Class 09 > Science

3 answers

Subodh Kumar 3 years, 5 months ago

By applying pressure and by increasing temperature

Virupakshappa B Shettar Shettar 3 years, 5 months ago

Meaning of compression

4Thank You

Subrajeet Swain 3 years, 5 months ago

Compression

3Thank You

ANSWER

Calculate the number of aluminium ions present in 0.05g of aluminum oxide (Al½O⅓) (atomic mass of Al=27u,O=16u)

Posted by Ravita Karhana 3 years, 5 months ago

CBSE > Class 09 > Science

2 answers

Subrajeet Swain 3 years, 5 months ago

Sorry i have not read it now

Monik Kumawat 3 years, 5 months ago

ANSWER

Why does a desert cooler cool better on a hot dry and?

Posted by Vrunda Sheta 3 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Trisha Kumari 3 years, 5 months ago

Evaporation depends on the amount of water vapour present in air (humidity). ... On a hot dry day, the amount of water vapour present in air is less. Thus, water present inside the desert cooler evaporates more, thereby cooling the surroundings more. That is why a desert cooler cools better on a hot dry day.

ANSWER

A famer moves along the boundary of a square field of side 10m in 40s. What will be the magnitude of displacement of the farmer at the end of 2minutes 20 seconds from his initial position.

Posted by Vinay Joon 3 years, 5 months ago

CBSE > Class 09 > Science

1 answers

H S S 3 years, 5 months ago

Displacement is 10m

ANSWER

Joseph jogs from one end A to the other end B of a straight 300m road in 2 min 30 sec and turns around and jogs 100m back to point c in another 1 min what are Joseph average speeds and velocity in jogging a) fromA to b and from ato c

Posted by Harshad Pathak 3 years, 5 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

What is *** origin of the human body

Posted by Sahoo Dinesh Kumar 3 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Priyanshu Singh 3 years, 5 months ago

Panchtatva

8Thank You

ANSWER

Why similar charges repel each other?

Posted by Krishna Bhardwaj 3 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Riya Singh 3 years, 5 months ago

Things that are negative charge and think that are positive charge pull on each other. This makes electrons and protons stick together to form atoms. Things that have the same charge push Each Other away( they repair each other)

ANSWER

Name the largest cell of living world ??

Posted by Raj Nandni 3 years, 5 months ago

CBSE > Class 09 > Science

5 answers

Rakshanda Karolia 3 years, 5 months ago

The egg of Ostrich

Jaswinder Kaur Jaswinder Kaur 3 years, 5 months ago

Ostrich egg

Riya Singh 3 years, 5 months ago

Ostrich egg is the largest cell in living world

3Thank You

Mounika G.V 3 years, 5 months ago

Ostrich egg

4Thank You

Aditya.V Nimbalkar 3 years, 5 months ago

Egg of ostrich

3Thank You

ANSWER

Write the functions of cell wall and plasma membrane

Posted by Raj Nandni 3 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Riya Singh 3 years, 5 months ago

The cell wall surround the plasma membrane of the cell and provides tensile structure and protection against mechanical and osmotic stress.It also allows cell to develop turgor pressure which is the presence of cell contents against the cell wall. Hope this will help you

ANSWER

Dilpreet Singh

Posted by Dilpreet Singh Rider Second 3 years, 5 months ago

CBSE > Class 09 > Science

2 answers

Muskan Mishra 3 years, 5 months ago

Hlo

Riya Singh 3 years, 5 months ago

Hii

ANSWER

What is prokaryotic cell and Eucaryotes

Posted by Kumar Puskar 3 years, 5 months ago

CBSE > Class 09 > Science

3 answers

Riddhi Chaturvedi 3 years, 5 months ago

Prokaryotic cells are the cells which lack nuclear membrane and hence have a poor nuclear region, whereas eukaryotic cells have well defined nuclear membrane and proper nuclear region.

Rudra Dholakiya 3 years, 5 months ago

Prokaryotic cell are simple, small cell, whereas Eucaryotes cell are complex, large structure and the presence in trillions which can be single called or multicellular.

Riya Singh 3 years, 5 months ago

Prokaryotic cell are simple, small cell, whereas Eucaryotes cell are complex, large structure and the presence in trillions which can be single called or multicellular.

ANSWER

14.What is inflammation? What are the changes occur during inflammation?

Posted by Jyotsana Rout 3 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Trisha Kumari 3 years, 5 months ago

When inflammation happens, chemicals from your body's white blood cells enter your blood or tissues to protect your body from invaders. This raises the blood flow to the area of injury or infection. It can cause redness and warmth. Some of the chemicals cause fluid to leak into your tissues, resulting in swelling.