Question

1. Explain the following terms

(i) Blending

(ii) Biodegradable

(iii) Recycling

(iv) Decomposition.

(v) Orbit

(vi) Orbital​

Answer 1

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1.

(i) Blending : The process of combining two or more fibres is called blending.

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(ii) Biodegradable : A material which is easily decomposed by natural processes is called biodegradable.

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(iii) Recycling : The method of obtaining fibres from which the original products were made.

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(iv) Decomposition : Certain materials break down into smaller fragments in the prescence of water , sunlight and oxygen. These fragements were further broke down by bacteria. This process is called decomposition.

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(v) Orbit : Orbit is a well defined circular path around the nucleus in which electrons revolve.

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(vi) Orbital : It represent the region around the nucleus in which the probability of finding the electron is maximum.

Answer 2

Answer:

(1) blending is the action of mixing or combining things together.

(2) Biodegradable means (of a substance or object) capable of being decomposed by bacteria or other living organisms and thereby avoiding pollution.

(3) Recycling is the action or process of converting waste into reusable material.

(4) Decomposition is the state or process of rotting; decay.

(5) Orbit is the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution.

(6) Orbital: relating to an orbit or orbits.

Explanation:

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