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

Ask questions which are clear, concise and easy to understand.

Ask Question

Define distillation?

Posted by Roshni Patel 5 years, 11 months ago

CBSE > Class 09 > Science

3 answers

Lwgend Singh 7 years, 6 months ago

Distillation is a method to seprate two misible liquid like ( alchol and water)

1Thank You

Sonali Aggarwal 7 years, 6 months ago

Distillation is a method of separating mixtures based on differences in their volatiles in a boiling liquid mixture. Distillationis a unit operation, or a physical separation process, and not a chemical reaction. Commercially, distillation has a number of applications.

1Thank You

Kulsum Khatun 7 years, 6 months ago

Distillation is the process of separating components or substances from liquid mixture by selective boiling and condensation

3Thank You

ANSWER

Ch 15 what is mixed cropping

Posted by Akash Kanzariya 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Sanskar Agarwal 7 years, 6 months ago

The growing of two or more crops simultaneously in the same field is called mixed cropping. Ex. Wheat +Mustard

1Thank You

ANSWER

How is cream separated from milk

Posted by Karan Preet 7 years, 6 months ago

CBSE > Class 09 > Science

4 answers

Djsj Djekek 7 years, 6 months ago

by centrifugation method in a centrifugal machine

0Thank You

Simi Sangha 7 years, 6 months ago

Cream and milk can be seperated by the mrthod of centrifigation .the princilpe of this method is on bases on the denties of the particles.

1Thank You

Aman Mangat 7 years, 6 months ago

Centrifigation

2Thank You

Kiran Beniwal 7 years, 6 months ago

By churning or centrifigation

1Thank You

ANSWER

Q.1.Which cell organelle is known as semiautonomous organelle ....

Posted by Kamal Chaurasia 7 years, 6 months ago

CBSE > Class 09 > Science

3 answers

Anshika Prakash 7 years, 6 months ago

Mitochondria and chloroplast(plastid)

1Thank You

Prithvi Mandloi 7 years, 6 months ago

Nucleus

2Thank You

U Malav Malav 7 years, 6 months ago

Mitochondria and plastid

2Thank You

ANSWER

Position time velocity time graphs for uniform and non uniform motion

Posted by B Srinath 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Prithvi Mandloi 7 years, 6 months ago

Curv for non uniform and straight for uniform

2Thank You

ANSWER

Which process iron pins from sand

Posted by Hariom Nagar 7 years, 6 months ago

CBSE > Class 09 > Science

3 answers

Sakshi Bhadouriya 7 years, 6 months ago

Megnetic process

1Thank You

Trisha Singh 7 years, 6 months ago

By magnetic separation method.

1Thank You

Kamal Chaurasia 7 years, 6 months ago

Magenetic technique

3Thank You

ANSWER

What are the drawbacks of Bohr's model of an atom

Posted by Vijay Upadhyay 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Lwgend Singh 7 years, 6 months ago

Pata nahi

2Thank You

ANSWER

Which process tea leave from tea

Posted by Hariom Nagar 7 years, 6 months ago

CBSE > Class 09 > Science

4 answers

Ipsita Nayak 7 years, 6 months ago

Filtration

0Thank You

Sakshi Bhadouriya 7 years, 6 months ago

Filltration

1Thank You

U Malav Malav 7 years, 6 months ago

Filtration

1Thank You

Puneet Jha 7 years, 6 months ago

Filtration

2Thank You

ANSWER

Kerosene and petroal are saprated by fricational distalation

Posted by Rohit Kadam 7 years, 6 months ago

CBSE > Class 09 > Science

3 answers

Puneet Jha 7 years, 6 months ago

Yes

1Thank You

Hariom Nagar 7 years, 6 months ago

Yes

2Thank You

Vinay Talari 7 years, 6 months ago

Yes

3Thank You

ANSWER

What is keplers law of motion

Posted by Rahul Kumar 7 years, 6 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

Any question

Posted by Yash Nandankar 7 years, 6 months ago

CBSE > Class 09 > Science

3 answers

Anam Fatima 7 years, 6 months ago

Answer my question

1Thank You

Kamal Chaurasia 7 years, 6 months ago

What is your question

1Thank You

Padma Ramesh 5 years, 11 months ago

answer for my question pls

3Thank You

ANSWER

A sample of water boils at 102°C at what temperature does it freeze

Posted by Dhruv Bhatia 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Kamal Chaurasia 7 years, 6 months ago

2°

1Thank You

ANSWER

Give me the practical questions of matter in our surroundings

Posted by Aman Gautam 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Kamal Chaurasia 7 years, 6 months ago

Process of sublimation .......

1Thank You

ANSWER

ATP Energy curreny of a cell

Posted by Prabhas Chib 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Yash Nandankar 7 years, 6 months ago

ATP is currency energy of a cell it is provided by mitochondria it is also known as the powerhouse of the cell

2Thank You

ANSWER

A bus increase its speed from 36km per hour to 72km per hour in 10s find its acclerations

Posted by Abhishek Prajapati 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Djsj Djekek 7 years, 6 months ago

u = 36 km/hr = 36*5/18 = 10 m/s v = 72 km/hr = 72*5/18 = 20 m/s t = 10 s a = ? a = v-u/t a = 20-10/10 = 10/10 = 1m/s^2

5Thank You

ANSWER

What is meant by water ??

Posted by Smit Nandaniya 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Udaiveer Singh 7 years, 6 months ago

a type of fluid .with 2 hydrogen and 1 oxygen atoms. and a suspension.

2Thank You

ANSWER

Whai is tissue

Posted by Chaitany Dadhore 5 years, 11 months ago

CBSE > Class 09 > Science

4 answers

Djsj Djekek 7 years, 6 months ago

a tissue is a group of cell that have common origin and perform a common functiom

0Thank You

Ipsita Nayak 7 years, 6 months ago

A group of cell which work together to perform particular job is called tissue ☺

0Thank You

Padma Ramesh 5 years, 11 months ago

a group of cells which are similar in structure and work together to achieve a specific function forms a tissue

2Thank You

Surya Singh 7 years, 6 months ago

Group of cell performing similar functions is called tissue

3Thank You

ANSWER

What is a animal hubandary ?

Posted by Roshni Patel 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Chahal Chandiok 7 years, 6 months ago

Rearing, caring and breeding of livestock is animal husbandry

1Thank You

ANSWER

Drrive f ma

Posted by Kayalvizhi Kayalvizhi 7 years, 6 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

Diraive third equation of motion by graph

Posted by Paras Devada 7 years, 6 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

What is the PH value of water?

Posted by Gaurav Verma 7 years, 6 months ago

CBSE > Class 09 > Science

2 answers

Gaurav Verma 7 years, 6 months ago

2Thank You

Pari Agrawal 7 years, 6 months ago

I think it's 7

2Thank You

ANSWER

What happen when we put a few drop of carbon dissulphite in a mixture of iron filling and sulphur What precaution should be taken in handling the Cs2 during experiment

Posted by Mohammad Faiz 7 years, 6 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

What is a interia

Posted by Jay Prakash Acharya 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Ajay Kumar 7 years, 6 months ago

Is the internal property of a body through which it resist any change in its position of rest or uniform motion along a straight line

1Thank You

ANSWER

What are the trick to learn all major division of animalae

Posted by Vishal Dhurandhar 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Riya Panchal 7 years, 6 months ago

Mug up!!!!!!

0Thank You

ANSWER

On what principle does aeroplane flies

Posted by Bhumi Shaw 7 years, 6 months ago

CBSE > Class 09 > Science

1 answers

Nityam Ayush 7 years, 6 months ago

Newton's third law of motion.

0Thank You

ANSWER

What is a larva?

Posted by Aman Reigns 7 years, 6 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

How can we seprate sand and ammonium chloride

Posted by Vishnu Lakshmanan 7 years, 6 months ago

CBSE > Class 09 > Science

2 answers

Yogita Ingle 7 years, 6 months ago

Firstly, ammonium chloride can be separated by sublimation.Then dissolve the mixture of sand and salt in water and separate sand by using filtration and salt can be separated from water by evaporation.

3Thank You

Aniket Dukare 7 years, 6 months ago

By the method of sublimation

0Thank You

ANSWER

A body of mass 100kg and density of 400 kg/m3 float in water. what additional mass could be added to the body so that the body will just sink?

Posted by Shivam Pandit 7 years, 6 months ago

CBSE > Class 09 > Science