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प्रश्न
Name two metals which can, however, liberate hydrogen gas from very dilute nitric acid.
उत्तर
Magnesium and manganese are two metals that liberate hydrogen gas from very dilute nitric acid.
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संबंधित प्रश्न
.................... liberated when acetic acid reacts with sodium metal.
(a) Hydrogen
(b) Chlorine
(c) Oxygen
(d) Nitrogen
_________ solution is blue in colour.
(a) CuSO4
(b) FeSO4
(c) ZnSO4
(d) Al2(SO4)3
Fill in the following blank with suitable word:
Magnesium liberates ............... gas on reacting with hot boiling water.
How do metals react with hydrogen? Explain with an example.
Which of the following pair of reactants can undergo a displacement reaction under appropriate conditions?
(a) MgSO4 + Fe
(b) ZnSO4 + Fe
(c) MgSO4 + Pb
(d) CuSO4 + Fe
In a solution of lead acetate, a strip of metal M was dipped. After some time, lead from the solution was deposited on the metal strip. Which metal is more reactive, M or lead?
Which of the following reactions will not occur? Why not?
(a) MgSO4 (aq) + Cu (s) → CuSO4 (aq) + Mg (s)
(b) CuSO4 (aq) + Fe (s) → FeSO4 (aq) + Cu (s)
(c) MgSO4 (aq) + Fe (s) → FeSO4 (aq) + Mg (s)
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.
Find the odd one out:
