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What Type of Oxides Are Formed When Metals Combine with Oxygen? Explain with the Help of an Example. - Science

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प्रश्न

What type of oxides are formed when metals combine with oxygen? Explain with the help of an example.

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उत्तर

When metals react with oxygen, basic oxides are formed. For example, sodium on reacting with oxygen form sodium oxide. This oxide turns red litmus solution to blue, which shows that it is a basic oxide.

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पाठ 3: Metals and Non-metals - Exercise 1 [पृष्ठ १३३]

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लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 3 Metals and Non-metals
Exercise 1 | Q 41.2 | पृष्ठ १३३

संबंधित प्रश्‍न

Write the chemical reaction when iron reacts with dilute H2SO4.


You must have seen tarnished copper vessels being cleaned with lemon or tamarind juice. Explain why these sour substances are effective in cleaning the vessels.


State whether the following statement is true or false:
Non-metals react with dilute acids to produce a gas which burns with a 'pop' sound.


What changes in the colour of iron nails and copper sulphate solution do you observe after keeping the iron nails dipped in copper sulphate solution for about 30 minutes?


Complete and balance the following equation:

Cu (NO3)2 (aq)  +  Zn(s)  →

 


How do non-metals react with hydrogen? Explain with an example.


 What happens when magnesium reacts with very dilute nitric acid? Write an equation for the reaction involved.


What happens when a rod of zinc metal is dipped into a solution of copper sulphate? Give chemical 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?


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


One of the following is not a neutral oxide. This is:
(a) CO
(b) H2O
(c) N2O
(d) Na2O


An element X forms two oxides XO and XO2. The oxide XO is neutral but XO2 is acidic in nature. The element X is most likely to be:
(a) sulphur
(b) carbon
(c) calcium
(d) hydrogen


An element is soft and can be cut with a knife. If is very reactive and cannot be kept open in the air. It reacts vigorously with water. The element is most likely to be:
(a) Mg
(b) S
(c) P
(d) Na


If A, B, C, D, E, F, G, H, I, J and K represent metals in the decreasing order of their reactivity, which one of them is most likely to occur in a free state in nature?


What is the characteristic of the electronic configuration of noble gases?


Choose the correct alternative and rewrite the following:

Reaction of iron nails whith copper sulphate solution is an example of _____________________


Answer the following question:
An element X on reacting with oxygen forms an oxide X2O. This oxide dissolves in water and turns red litmus blue. State whether element X is metal or a non - metal. Explain with a proper example. 


Which property of metals is used for making bells and strings of musical instruments like Sitar and Violin?


Find the odd one out:


Why is acidified water considered to be a good conductor of electricity?


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