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प्रश्न
Complete and balance the following equation:
उत्तर
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संबंधित प्रश्न
Explain why, metals usually do not liberate hydrogen gas with dilute nitric acid.
How do non-metals react with hydrogen? Explain with an example.
Name another metal oxide which behaves like aluminium oxide.
Write the equation for the reaction of Aluminium with dilute hydrochloric acid.
Name the products formed. Also indicate the physical states of all the substances involved.
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
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.
An element X forms two oxides XO and XO2. The oxide XO has no action on litmus solution but oxide XO2 turns litmus solution red.
(a) What is the nature of oxide XO?
(b) What is the nature of oxide XO2?
(c) Would you call element X a metal or a non-metal? Give reason for your choice.
(d) Can you give an example of element like X?
In nature, metal A is found in a free state while metal B is found in the form of its compounds. Which of these two will be nearer to the top of the activity series of metals?
Explain the following:
Reactivity of aluminium decrease if it is dipped in nitric acid.
Tungsten wire is used in electric bulbs.
