CBSE > Class 09 > Science | CBSE Board | Homework Help

Manure is an organic substance added to increase production while a fertiliser is an inorganic substance made by human by chemicals added in soil which gives more production than a manure

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What is difference between molecular & moler mass

Posted by Rohtash Kumar 12 hours ago

CBSE > Class 09 > Science

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Write any two differences between mixture and compound

Posted by Chandu Kumar 12 hours ago

CBSE > Class 09 > Science

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What is pure substances

Posted by Chandu Kumar 12 hours ago

CBSE > Class 09 > Science

3 answers

Tanmay Paul 12 hours ago

The substance that consists of only a single type of constituent particles is called pure substance

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Shubham Kumar😎😎😎😎🤑 12 hours ago

The substance which do not have any impurities and made up of only one atom

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Anurag Kumar Singh 12 hours ago

When an object is in homogeneous

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A person take concentrated solution of salt after some time he starts vomiting

Posted by Simardeep Singh 12 hours ago

CBSE > Class 09 > Science

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A person take concentrated solution of salt,after some time he starts vomiting, why?

Posted by Simardeep Singh 12 hours ago

CBSE > Class 09 > Science

1 answers

Ashi Sharma 12 hours ago

When a solution containing excess of salt is taken, then due to osmosis water will move into the intestine, putting pressure on the intestinal walls. This also causes nausea. The intestinal wall is not able to tolerate this strain, and hence this excess water retention causes vomiting

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Give an example of protective tissue present in plants.

Posted by Tanmay Paul 13 hours ago

CBSE > Class 09 > Science

2 answers

Shakti Sarkar 11 hours ago

Bark of tree or cork

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Tanmay Paul 13 hours ago

Cork

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Chemical formula of rust.... plzz help meeee

Posted by Sanjana Jayakumar 13 hours ago

CBSE > Class 09 > Science

1 answers

Ranjeet Tomar 13 hours ago

Fe2o3.nH2o

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Ch 1 notes

Posted by Suresh Kumar 13 hours ago

CBSE > Class 09 > Science

3 answers

Ranjeet Tomar 2 hours ago

In which school you are

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Saloni Pant 12 hours ago

In school

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Saloni Pant 12 hours ago

What yoy are in schoo

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How the magnitude and direction of action and reaction are related?

Posted by Shreya Srivastava 14 hours ago

CBSE > Class 09 > Science

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Can the three states of matter mix together, i.e., solids+liquids+gas. Is this possible

Posted by Suja Anbu 14 hours ago

CBSE > Class 09 > Science

4 answers

Tanmay Paul 12 hours ago

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Ayush K 13 hours ago

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Ijin C 13 hours ago

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Shivam Jha 14 hours ago

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Suwar

Posted by Shumaz Tabraz Khan 14 hours ago

CBSE > Class 09 > Science

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How the mitochondria are similar to the plastic

Posted by Shailaja Sarikonda 14 hours ago

CBSE > Class 09 > Science

2 answers

Shakti Sarkar 11 hours ago

Since they both have their own DNA and proteins they are similar to each other

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Manasmilan Das 13 hours ago

Mitochondia is different from plastids by that plastids are non living and mitichondria is living and mitochondria have large vacuoles but plastids are absent in plastids.

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What is meant by ( E = mcsquare

Posted by Shakti Sarkar 16 hours ago

CBSE > Class 09 > Science

3 answers

G.N. Shiraguppi 13 hours ago

E stands energy. M for mass and c for speed of the light in vacuum (about 300,000 km / s

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Jai Mata Di 16 hours ago

E= mcsquare

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Nathulal Patel 16 hours ago

It is a formula invent by albert Einstain

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Who is albert einstin

Posted by Suresh Haldkar 17 hours ago

CBSE > Class 09 > Science

9 answers

Shubham Kumar😎😎😎😎🤑 12 hours ago

At first I want to tell you that your question is wrong. And the answer is he was a great scientist who had discovered the formula (E=mc square)

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Tanmay Paul 12 hours ago

A great scientist of U.S.A

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Manasmilan Das 13 hours ago

Great scientist of U.S.A

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Suja Anbu 14 hours ago

A brilliant scientist of the world. If u need more informatiin pls refer to your beehive textbook - A Truly Beautiful Mind

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Nathulal Patel 16 hours ago

Great scientist of USA

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Nathulal Patel 16 hours ago

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Abhijit Ghorai 16 hours ago

He is a greatest scientist of the world

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Shakti Sarkar 17 hours ago

He invented the world's famous formula ( E= mc square )

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Shakti Sarkar 17 hours ago

He was a great physicist born on 14 March 1879

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Which technique is better evaporation or crystilisation and why?

Posted by Priyanshi Tiwari 18 hours ago

CBSE > Class 09 > Science

3 answers

Rituraj Bhai 17 hours ago

Crystallisation because it Is a method in which no dust particles are present

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Vibhum Bhatnagar 17 hours ago

Crystilisation

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Priyanshi Tiwari 18 hours ago

Crystilisaton

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A fan of 50 Watt runs 5 hours a day for 20 days if the cost of 1 unit is rupees 10 calculate the total amount of money

Posted by Rahul Narvey 1 day, 3 hours ago

CBSE > Class 09 > Science

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Which tissue responsible for grow leves in the plants

Posted by Sarvagya Mishra 1 day, 4 hours ago

CBSE > Class 09 > Science

3 answers

Suja Anbu 14 hours ago

Intercalary meristems Hope it helps u 😊

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Rajesh Agarwal 20 hours ago

Intercalary meristem

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Shakti Sarkar 1 day, 2 hours ago

Intercalary meristem

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What is the formula of dispacement?

Posted by Kushagra Agrawal 1 day, 10 hours ago

CBSE > Class 09 > Science

3 answers

Suja Anbu 14 hours ago

Velocity = Displacement/Time Therefore, Displacement = Velocity × Time

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Nisha Kumari 1 day, 4 hours ago

siil

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Sachin Kumar 1 day, 4 hours ago

Displacement =velocity /time

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What are the equations of motion

Posted by Shakti Sarkar 1 day, 10 hours ago

CBSE > Class 09 > Science

3 answers

Suja Anbu 14 hours ago

1. V = u + at 2. S = ut + 1/2 at^2 3. 2aS = V^2 - u^2 Hope it helps 😊

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Archana Barnwal 19 hours ago

And one last 3. V square = u square + 2as

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Archana Barnwal 19 hours ago

1. V = u + at 2. S = ut + 1/2 at square

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Example of second law of motion

Posted by Shivangi Shukla 1 day, 11 hours ago

CBSE > Class 09 > Science

2 answers

G.N. Shiraguppi 12 hours ago

The second law of motion states that the rate of change of momentum of an object is proportional to applied unbalanced force in the direction of force.

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Nathulal Patel 16 hours ago

S= Ut+1/2at2

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What is simple tissue and complex tissue

Posted by Raman1475 Shreeya Chauhan 1 day, 11 hours ago

CBSE > Class 09 > Science

4 answers

Raman1475 Shreeya Chauhan 11 hours ago

Dont no

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Pankaj Pawar 1 day, 11 hours ago

A tissue made up of single type of cell is known as simple tissue whereas complex tissue is madeup of more than one type of cell

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Reetu👩‍🔬 Saini 1 day, 11 hours ago

Simple tissue is made up of one type of cell and complex tissue made up of more than one type of cell .... They both are plant tissue

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Raman1475 Shreeya Chauhan 1 day, 11 hours ago

Both are plant tissue

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When rain is know as ?

Posted by Gajanana Pujar 21 hours ago

CBSE > Class 09 > Science

1 answers

Sia 🤖 21 hours ago

The nomal rain water is slightly acidic in nature with pH value 5.6. When pH of rain water becomes as low as 2 to 3.5, it becomes acid rain. It is due to addition of CO₂, NO₂ and SO₂present in air. They form acids when combine with rain water and lowers the pH of rain water.

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What is tin cry

Posted by Krish Jagotra 21 hours ago

CBSE > Class 09 > Science