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प्रश्न
What is the nature of the oxide Na2O? What happens when it is dissolved in water? Write the chemical equation of the reaction involved.
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उत्तर
Na2O is basic in nature. When it is dissolved in water, sodium hydroxide is formed.
Chemical equation: Na2O(s) + H2O(l) → 2NaOH(aq)
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संबंधित प्रश्न
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(a) Pink
(b) Blue
(c) Colourless
(d) Green
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(b) More reactive than aluminium
(c) Less reactive than copper
(d) Less reactive than aluminium
Write equations for the reactions of iron with steam.
The solution of Aluminium sulphate in water is .....................
(a) Green
(b) Colourless
(c) Pink
(d) Blue
Name the metal which has been placed at the top of the reactivity series.
Complete and balance the following equation:
Na + O2 →
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Write one reaction in which aluminium oxide behaves as a basic oxide and another in which it behaves as an acidic oxide.
An acidic oxide is produced by the element:
(a) Na
(b) C
(c) Ca
(d) H
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(a) Fe2O3
(b) Al2O3
(c) P2O5
(d) N2O
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(a) carbon and sulphur
(b) sodium and carbon
(c) potassium and magnesium
(d) magnesium and sulphur
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(a) an acidic oxide
(b) a basic oxide
(c) an amphoteric oxide
(d) a neutral oxide
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(b) State whether element E is a metal or a non-metal.
(c) Give one example of an element like E.
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(b) What is the nature of oxide BO?
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(i) Good thermal conductivity
(ii) Good electrical conductivity
(iii) Ductility
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