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What Special Name is Given to Substances like Aluminium Oxide. - Science

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प्रश्न

What special name is given to substances like aluminium oxide.

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उत्तर

Aluminium oxide reacts with both acids and bases and so it is called an amphoteric oxide.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Metals and Non-metals - Exercise 1 [पृष्ठ १३४]

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लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 3 Metals and Non-metals
Exercise 1 | Q 56.2 | पृष्ठ १३४

संबंधित प्रश्‍न

Write the chemical reaction when iron reacts with dilute H2SO4.


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


Differentiate between metal and non-metal on the basis of their chemical properties.


Give reasons why copper is used to make hot water tanks and not steel (an alloy of iron).


Why are metals called electropositive elements whereas non-metals are called electronegative elements?


Which of the two metals is more reactive: copper or silver?


Name two metals which can, however, liberate hydrogen gas from very dilute nitric acid.


Why does aluminium not react with water under ordinary conditions?


What happens when calcium reacts with water? Write the chemical equation of the reaction of calcium with eater.


Write the equation for the reaction of Magnesium with dilute hydrochloric acid.

Name the products formed. Also indicate the physical states of all the substances involved.


Write the equation for the reaction of Zinc with dilute hydrochloric acid.

Name the products formed. Also indicate the physical states of all the substances involved.


Out of aluminium, copper, calcium and tin, the most reactive metal is:
(a) aluminium
(b) copper
(c) tin
(d) calcium


Which of the following reactions will not occur? Why not?

(a) MgSO(aq) + Cu (s) → CuSO(aq) + Mg (s)

(b) CuSO4 (aq) + Fe (s) → FeSO4 (aq) + Cu (s)

(c) MgSO4 (aq) + Fe (s) → FeSO4 (aq) + Mg (s)


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?


Write the chemical equation for the following reaction:
Manganese dioxide is heated with aluminum powder.


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


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


Which of the following property is not responsible for copper to be used as electrical conduction wires?


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


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