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प्रश्न
Select the odd one out and justify your answer.
Fe, Pb, Al and Zn
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उत्तर
Pb
Lead reacts with dilute sulphuric acid or HCl and forms an insoluble coating of lead sulphate or lead chloride.
The others react with dilute sulphuric acid or HCl to liberate hydrogen.
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संबंधित प्रश्न
Write a balanced equation for the following:
Iron reacts with dil. HCl
From the knowledge of activity series, name a metal which shows the following properties
It reacts readily with cold water
A small piece of calcium metal is put into a small trough containing water. There is effervescence and white turbidity is formed.
Name the gas formed in the reaction. How would you test the gas?
Metal in the powdered form reacts very slowly with boiling water, but it decomposes in steam. Name the metal.
Select the odd one out and justify your answer.
SO2, H2S, NH3, and CO3
Select the odd one out and justify your answer.
Fe, Zn, Cu and Mg
Which of the following metals does not give hydrogen with acids?
Correct the following statement:
Very dilute nitric acid reacts with iron to produce hydrogen.
Using dilute sulphuric acid how would you differentiate between:
Sodium sulphide and sodium carbonate.
How would you identify the gaseous products evolved.
State why hydrogen is not prepared in the laboratory by the action of lead with dilute hydrochloric acid.
