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What are the specialties of 23?

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Tutorialspoint

Updated on 10-Oct-2022 09:38:31

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Specialties of 23 :23 is very interesting number.It is a natural number.It is a whole number.It is a Integer.23 is also the ninth prime number and also the smallest odd prime number which is not twin prime.

Fluid friction is also called _______________

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Tutorialspoint

Updated on 10-Oct-2022 09:38:31

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Fluid friction is also called viscosity

Explain friction as a necessary evil.

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Tutorialspoint

Updated on 10-Oct-2022 09:38:31

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The frictional force causes a lot of losses in general upkeep and wear and tear of machinery. Hence it is considered evil. But almost all crucial tasks cannot be carried out without the presence of friction. Hence, it is considered a necessary evil. eg. if you wear a shoe and there ... Read More

What are Heterotrophs and their types?

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Tutorialspoint

Updated on 10-Oct-2022 09:38:31

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Organisms depending on plants and other animals for nutritional requirements are known as heterotrophs, and they exhibit a heterotrophic mode of nutrition. For example, humans, animals, birds, etc. Heterotrophs can be further classified into three different types based on their modes of nutrition. i) Holozoic nutrition- In holozoic nutrition, organisms ... Read More

What is Silk?

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Tutorialspoint

Updated on 10-Oct-2022 09:38:31

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Silk is a natural fibre that is made by the silkworm 'Cocoon'. As it’s a strong fibre, it is mainly used in the textile industry. The production of silk and rearing of silkworms is called sericulture. It is known as 'Resham' in the northern part of India, and ‘Pattu’ in ... Read More

What is the angle of inclination of the Earth's axis with its orbital plane?

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Tutorialspoint

Updated on 10-Oct-2022 09:38:31

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The Earth's axis is tilted 23.5 degrees with its orbital plane around the Sun.

What is meant by moisture?

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Tutorialspoint

Updated on 10-Oct-2022 09:38:31

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Moisture is condensed or diffused liquid, especially water.Example: moisture in the air.

Why a green leaf is bleached before carrying out a starch test?

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Tutorialspoint

Updated on 10-Oct-2022 09:38:31

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The starch content of a leaf is measured after it has been bleached by boiling in alcohol. The chlorophyll in the leaves is destroyed, and the cell wall is subsequently broken. The leaf's chlorophyll is bleached out so that it may take up the iodine solution and turn a dark ... Read More

Why are sodium and potassium stored in kerosene?

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Tutorialspoint

Updated on 10-Oct-2022 09:38:31

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Sodium and Potassium are highly reactive metals and react vigorously with the oxygen, carbon dioxide and moisture present in the air such that it may even cause a fire. To prevent this explosive reaction, they are kept immersed in kerosene because they don't react with kerosene.

What is Plastic?

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Tutorialspoint

Updated on 10-Oct-2022 09:38:31

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Plastics are a wide range of synthetic or semi-synthetic organic compounds that are malleable and so can be moulded into solid objects. Plastics are made from natural materials such as cellulose, coal, natural gas, salt and crude oil through a polymerisation or polycondensation process. Plastics are derived from natural, organic materials ... Read More

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