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प्रश्न
Name two metals (other than zinc and iron) which can displace hydrogen from dilute hydrochloric acid?
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उत्तर
Magnesium and aluminium are two metals that can displace hydrogen from dilute hydrochloric acid.
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संबंधित प्रश्न
Name the following:
Metals which forms an amphoteric oxide.
Why is sodium kept immersed in kerosene oil?
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 name is given to those metal oxides which show basic as well as acidic behaviour?
Name the metal which has been placed just below copper in the reactivity series.
Complete and balance the following equation:
Cu (NO3)2 (aq) + Zn(s) →
Fill in the following blank with suitable word:
The white powder formed when magnesium ribbon burns in oxygen is of ....................
What type of oxides are formed when non-metals react with oxygen? Explain with an example.
What happens when calcium reacts with chlorine? Write an equation for the reaction which takes place
Which non-metal has been placed in the reactivity series of metals?
The metals which can produce amphoteric oxides are:
(a) sodium and aluminium
(b) zinc and potassium
(c) calcium and sodium
(d) aluminium and zinc
Metal A burns in air, on heating, to form an oxide A2O3 whereas another metal B burns in air only on strong heating to form an oxide BO. The two oxides A2O3 and BO can react with hydrochloric acid as well as sodium hydroxide solution to form the corresponding salts and water.
(a) What is the nature of oxide A2O3?
(b) What is the nature of oxide BO?
(c) Name one metal like A.
(b) Name one metal like B.
CuSO4(aq) + Fe(s) → FeSO4(aq) + Cu(s)
FeSO4(aq) + Zn(s) → ZnSO4(aq) + Fe(s)
On the basis of the above reactions, indicate which is most reactive and which is least reactive metal out of zinc, copper and iron.
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?
Write the name and formula of a molecule made up of three atoms of oxygen.
Write the chemical equation for the following reaction:
Cinnabar is heated in the presence of air.
Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?
- Good thermal conductivity
- Good electrical conductivity
- Ductility
- High melting point
Metals are generally hard. Which of the following metals is an exception and can be cut with a knife?
Metals are generally solid. Which of the following metals is in the liquid state at room temperature?
