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Write Equation for the Reaction of Sodium with Oxygen. - Science

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प्रश्न

Write equation for the reaction of sodium with oxygen.

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उत्तर

        4Na (s) +  O2 (g) →  2Na2(s)
    Sodium       Oxygen          Sodium oxide

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Metals and Non-metals - Exercise 1 [पृष्ठ १३२]

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लखमीर सिंग Chemistry (Science) [English] Class 10
अध्याय 3 Metals and Non-metals
Exercise 1 | Q 19.1 | पृष्ठ १३२

संबंधित प्रश्न

_________ solution is blue in colour.
(a) CuSO4
(b) FeSO4
(c) ZnSO4
(d) Al2(SO4)3


Iron is
(a) More reactive than zinc
(b) More reactive than aluminium
(c) Less reactive than copper
(d) Less reactive than aluminium


Write equations for the reactions of iron with steam. 


From amongst the metals sodium, calcium aluminium, copper and magnesium, name the metal:
(i) which reacts with water only on boiling, and
(ii) another which does not react even with steam.


Name two metals which form amphoteric oxides.


Write equation for the reaction of magnesium with oxygen.


How would you show that silver is chemically less reactive than copper?


Fill in the following blank with suitable word:

Ordinary aluminium strips are not attacked by water because of the presence of a layer of ................. on the surface of aluminium.


Describe the reaction of potassium with water. Write the equation of the reaction involved.


Write the chemical equation of the reaction which takes place when iron reacts with dilute sulphuric acid. What happens when the gas produced is ignited with a burning matchstick?


Name one metal which displaces silver from silver nitrate solution and one which does not.


The elements whose oxides can turn phenolphthalein solution pink are:
(a) Na and K
(b) K and C
(c) Na and S
(d) K and P


The metals which can produce amphoteric oxides are:
(a) sodium and aluminium
(b) zinc and potassium
(c) calcium and sodium
(d) aluminium and zinc


Zinc oxide is a metal oxide. Which of the following term best describes the nature of zinc oxide:
(a) an acidic oxide
(b) a basic oxide
(c) an amphoteric oxide
(d) a neutral oxide


An element E forms an oxide E2O. An aqueous solution of E2O turns red litmus paper blue.
(a) What is the nature of the oxide E2O?
(b) State whether element E is a metal or a non-metal.
(c) Give one example of an element like E.


Name a metal which does not react with cold as well as hot water but reacts with steam.


The substance that will be flattened on beating with a hammer is ______.


Tungsten wire is used in electric bulbs.


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