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Write uses of Powder coating

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Write the uses of Anodizing

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Write briefly about the three methods of electrolysis of sodium chloride.

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What is meant by water of crystallization? Give examples of salts with water of crystallization, and their uses.

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Write about artificial food colours, the substances used in them and their harmful effects.

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A certain type of ceramic tiles are fixed on the outer layer of a space shuttle.

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When the radiation coming out from certain radioactive substance is passed through an electric field,

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The aluminium article is used as an anode in the anodising process.

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The particles of powder are given an electric charge while spraying them to form the powder coating.

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Soap forms a precipitate in hard water.

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The hard water of a well becomes soft on adding washing soda to it.

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Bleaching powder has the odour of chlorine.

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Why has the use of methods like Teflon coating become more common?

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What type of colours will you use to celebrate ecofriendly Rang Panchami? Why?

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Write down properties of teflon.

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Where in the industrial field is radioactivity used?

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Which diseases are caused by artificial food colours ?

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When is said to be the nucleus unstable?

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What is meant by radioactivity?

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Match the pairs Saturated brine a. sodium metal free

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