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give one example of synthetic antioxidant
Complex organic molecules such as BHA (butylated hydroxyanilsole) and BHT (butylated hydroxytoluene) are examples of synthetic antioxidants.
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Mole fraction of solvent in 0.2m binary aqueous solution of camphor(m=molality)
Correct answer is option (A) i.e 0.996
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Name a suitable technique of separation of the components from a mixture of calcium sulphate and camphor.
The process of sublimation is used to separate a mixture of camphor and calcium sulphate. In this process, the sublimable compound changes from solid to vapour state without passing through...
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Name the technique to separate (i) butter from curd (ii) salt from sea-water (iii) camphor from salt.
(i) Butter can be separated from curd by centrifugation. (ii) Salt can be separated from sea-water by evaporation. (iii) Camphor can be separated from salt by sublimation.
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Explain why some fibres are called synthetic.
There are some fibres that are prepared by man by using chemicals. These are called synthetic fibres. These are made of small units that join together to form long chains....
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Mark the correct solution. Rayon is different from synthetic fibres because (a) It has a silk-like appearance.
Rayon is different from synthetic fibres because: (b) It is obtained from wood pulp.
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Fill in the blanks with appropriate words. (a) Synthetic fibres are also called ________or _________fibres.
(a) Synthetic fibres are also called artificial or man-made fibres. (b) Synthetic fibres are synthesized from raw materials called petrochemicals. (c) Like synthetic fibres, plastic is also a polymer.
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Rana wants to buy shirts for summer. Should he buy cotton shirts or shirts made from synthetic material? Advise Rana, giving your reason.
Rana should buy shirts made from cotton. This is because cotton is a good absorber of water. It can soak the sweat coming out of our body and expose it...
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Manufacturing synthetic fibres is actually helping conservation of forests'. Comment.
The natural fibers are obtained from plants and animals, whereas the synthetic fibers are obtained by chemical processing of petrochemicals. Unlike natural fibers, manufacturing of synthetic fibers do not require...
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Explain Synthetic division method of polynomial division.
Synthetic division is a shortcut method for dividing a polynomial by a simple divisor of the form (x - n). The divisor must be of that form in order for synthetic division to...
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