मराठी

A copper coin is kept immersed in a solution of silver nitrate for some time. What will happen to the coin and the colour of the solution?

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प्रश्न

A copper coin is kept immersed in a solution of silver nitrate for some time. What will happen to the coin and the colour of the solution?

लघु उत्तर
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उत्तर

When a copper coin is kept immersed in a solution of silver nitrate for some time, the colour of the coin becomes shiny, greyish-white due to the deposition of silver on it. The solution turns blue due to the formation of copper nitrate.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Metals and Non-metals - Exercise 1 [पृष्ठ १६४]

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लखमीर सिंह Chemistry [English] Class 10
पाठ 3 Metals and Non-metals
Exercise 1 | Q 13. | पृष्ठ १६४

संबंधित प्रश्‍न

A solution of CuSO4 in water is .................... in colour.
(a) Pink
(b) Blue
(c) Colourless
(d) Green


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


What would you observe when zinc is added to a solution of iron (II) sulphate? Write the chemical reaction that takes place.


An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be:


Food cans are coated with tin and not with zinc because ______.


Name two metals which form amphoteric oxides.


Name the metal which has been placed at the bottom of the reactivity series.


Complete and balance the following equation:

\[\ce{Na + O2 ->}\]


The white powder formed when magnesium ribbon burns in oxygen is of ______.


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


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


What happens when calcium reacts with chlorine? Write an equation for the reaction which takes place


Arrange the following metals in order of their chemical reactivity, placing the most reactive metal first:
Magnesium, Copper, Iron, Sodium, Zinc, Lead, Calcium.


Which gas is produced when dilute hydrochloric acid is added to a reactive metal?


An element X reacts with hydrogen, when heated, to form a covalent hydride H2X. If H2X has a smell of rotten eggs, the element X is likely to be:
(a) carbon
(b) sulphur
(c) chlorine
(d) phosphorus


The elements whose oxides can turn litmus solution red are:
(a) lithium and sodium
(b) copper and potassium
(c) carbon and hydrogen
(d) phosphorus and sulphur


When calcium metal is added to water, the gas evolved does not catch fire but the same gas evolved on adding sodium metal to water catches fire. Why is it so?


Choose the correct alternative and rewrite the following:

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


Generally, metals are solid in nature. Which one of the following metals is found in liquid state at room temperature?


Tungsten wire is used in electric bulbs.


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