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Why do potato - chips manufactures fill ...

Why do potato - chips manufactures fill the packest of chips with nitrogen gas ?

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Nitrogen provides an inert atmosphere to prevent chips from getting oxidised. Nitrogen is an antioxident whilch prevent oxidation of substance and that.s why such type of food material is flushed with nitrogen in packs.
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CPC CAMBRIDGE PUBLICATION-METALS AND NON-METALS-ADDITIONAL QUESTIONS ( Answer the following)
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  2. Give two examples of ore of aluminium?

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  3. Why do potato - chips manufactures fill the packest of chips with nitr...

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  4. What is gangue and what is concentration?

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  5. a. Write electron dot diagram for chlorine (At No. 17) and Calcium (At...

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  6. Identify the nature of above compound and explain three physical prope...

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  7. Give reasons for the following : (i) School bells are made up of met...

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  8. Give reasons for the following : (i) School bells are made up of met...

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  9. What asre amphoteric oxides? Choose the amphoteric oxide from among th...

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  11. Name two metals than can be used to reduce metal oxides of metals.

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  12. State reasons for the following: Electric wires are covered with rub...

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  13. Which of the following metals cannot liberate hydrogen from dilute ...

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  14. State reasons for the following: Sulphide ore of a metal is first co...

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  15. Write any four physical properties of metals.

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  16. Give examples of the least reactive metals.

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  17. Sodium and chlorine are poisonous substances but sodium chloride is ed...

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  18. Write balanced equations for the reactions of : (i) Aluminium when h...

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  19. Write balanced chemical equation for the reaction of: a. Al when hea...

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  20. Write balanced equations for the reactions of : (i) Aluminium when h...

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