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Nitrogen cycle diagram

Posted by Sourabh Singh Rathore 8 years, 3 months ago

CBSE > Class 08 > Science

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What is polyester? state two properties of polyester.Name popular polyester

Posted by Kunal Raghav 8 years, 3 months ago

CBSE > Class 08 > Science

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What is tilling

Posted by Dharmik Yadav 8 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Ansh Patel 8 years, 3 months ago

The process in which soil are lossen are called tilling

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Chips of wood catch fires more easily than a log of wood why. ( Give a detailed answer )

Posted by Sameer Dhande 8 years, 3 months ago

CBSE > Class 08 > Science

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What is greenhouse effect. How it affect lives?

Posted by Sameer Dhande 8 years, 3 months ago

CBSE > Class 08 > Science

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What is *** harmones

Posted by Amit Maya 8 years, 3 months ago

CBSE > Class 08 > Science

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What are metals and non metals

Posted by Rajdeep Kaur 8 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Tanish Chaudhari 8 years, 3 months ago

Metals contains iron and are malleable and ductile whereas, non-metals are neither malleable nor ductile they are brittle

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Describe the process of refining the petroleum oil in detail

Posted by Karan Chanchlani 8 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Tanish Chaudhari 8 years, 3 months ago

Crude oil is first heated to about 400 °C in a furnace. The vapours formed are passed into a tall fractioning tower. The hydrocarbons with the highest boiling point condense first let. They get collected near the base of the fractionating tower. As the vapours rises, the hydrocarbons with lower boiling point condense at different fractions. The hydrocarbons with 1-4 carbon atom, which are gases, do not condense and escape from the top of the tower. Each fraction obtained is itself a mixture of several hydrocarbons.

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How is natural gas extracted?

Posted by Tamanna Singh 8 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Harshavardhan Shinde 8 years, 3 months ago

coal, oil, or natural gas. Fossil fuels formed from the remains of ancient plants and animals. process usually used to extract oil and natural gas in which fractures in the Earth's surface are opened and widened by injecting water, chemicals, and sand at high pressure. Also called hydraulic fracturing

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How light travels to the earth without any medium in the space.

Posted by Payal Kaushik 8 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Payal Kaushik 8 years, 3 months ago

Light did not need any medium to travel ,it can be travel by vacuum ether existed in outer space which light needed to propagate.

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How are viruses different from other microorganisms...

Posted by Gurmehak Kaur 8 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Shreya Bhardwaj 8 years, 3 months ago

Viruses are nonliving infectious particles whereas microbes are living

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Write some common human disease , their cause and prevention

Posted by Varun Bhardwaj 8 years, 3 months ago

CBSE > Class 08 > Science

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Rabi crops Define

Posted by Wasim Ahmed 8 years, 3 months ago

CBSE > Class 08 > Science

2 answers

Ankita Debnath 8 years, 3 months ago

More examples wheat,gram,pea,mustard and linseed.

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Harsh Dadriwal 8 years, 3 months ago

It is the crops which are grown in winter season from October to March.Example-wheat

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What is Zygote

Posted by Wasim Ahmed 8 years, 3 months ago

CBSE > Class 08 > Science

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What is earthquake?

Posted by Miku Gudu 8 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Abhradeep Pal 8 years, 3 months ago

Earthquake is the process of shaking of ground of certain plates movement.

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What is earthquake?

Posted by Miku Gudu 8 years, 3 months ago

CBSE > Class 08 > Science

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What is the use of electroscope in the large building or towers but not in a small house!

Posted by Satyam Jaiswal 8 years, 3 months ago

CBSE > Class 08 > Science

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Fhf

Posted by Kamal Prasad Harichandan 8 years, 3 months ago

CBSE > Class 08 > Science

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What will happen if you will keep a solution of copper sulphate in an iron container for a few days? What is the reason of your answer?

Posted by Swasti Mohan 8 years, 3 months ago

CBSE > Class 08 > Science

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Potable water

Posted by Aman Dubey Dubey 8 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Aryan Pandey 8 years, 3 months ago

The water that is safe for drinking.

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What is displacement reaction

Posted by Agnivesh Suresh 8 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Swasti Mohan 8 years, 3 months ago

A reaction in which an element displaces another less reactive element. Example : Zinc + Copper Sulphate —> Zinc Sulphate + copper.

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What happens during puberty?

Posted by Siddharth Kumar 8 years, 3 months ago

CBSE > Class 08 > Science

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Rohan is given a dry piece of land for cultivation what should he do before sowing the seeds

Posted by Sahil Sain 8 years, 3 months ago

CBSE > Class 08 > Science

4 answers

Satyam Singh 8 years, 3 months ago

Preparation of soil

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Siddharth Kumar 8 years, 3 months ago

Ploughing and tilling should be done. The the field should be provided manures and fertilisers. Then he should irrigate the field and start sowing seeds.

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Vinita Pathak 8 years, 3 months ago

He should prepare the soil

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Mohit Ratan 8 years, 3 months ago

He plouging and tilling the land

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Heart diagram

Posted by Siddharth Singh 8 years, 3 months ago

CBSE > Class 08 > Science

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Difference between cell irganelles and cell inclusions

Posted by Nikhil Kumar 4 years, 7 months ago

CBSE > Class 08 > Science

1 answers

Sia ? 4 years, 7 months ago

Cell organelles	Cell inclusions
Cell organelles are the cellular components that include both membrane and non-membrane-bound organelles present in cells.	Cell inclusions are non-living substances which are intracellular and are not bound by any membrane.
They are distinct in their structure and functions.	They do not carry out any metabolic activity.
Some of them provide shape and support whereas some help with the locomotion and reproduction of the cell.	They are stored within the cytosol of the cytoplasm in the form of nutrients, secretory products, and granular pigments.
The organelles are categorized into three parts based on the presence or absence of membrane: organelle is without membrane, single membrane-bound organelles, and doubles membrane-bound organelle.	They are considered as the various or nutrients pigments which can be found within the cell.
The cell wall, ribosomes are some of the organelles without membrane. Vacuole, lysosome, endoplasmic reticulum are some of the single membrane-bound organelles. Nucleus, mitochondria, and chloroplast are some of the double membrane-bound organelles.	Cell inclusions include glycogen, lipids, and pigments like melanin, hemosiderin, and lipofuscin.