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प्रश्न
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Zinc - Zn + 2HCl → ______ + _______ [g]
उत्तर
Zinc - Zn + 2HCl → ZnCl2 + H2 [g]
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संबंधित प्रश्न
Fill in the blank
Hydrogen is ...................soluble in water.
Fill in the blank
Hydrogen reacts with metal oxides to form ............and....................
MATCH THE COLUMNS
column A | column B |
1. `""2H_2 + O_2 → 2H_2O` | A. This reaction is not possible |
2. `""H_2+CI_2 →2HCI` | B.This reaction is exothermic to the extent of explosion |
3.`""ZaO+ H^2→Zn +H_2O` | C.This reaction is known as Haber process |
4.`""Cu + H_2SO^4 → CuSO_4 + H_2 ` | D.This reaction illustrates the reducing property of bydrogen |
5.`""N_2 +3H_2 → 2NH_3 +heat ` | E. This reaction takes place in diffused sunlight |
F. This reaction is a method of preparation of hydrogen |
Complete and balance the following reaction.
Zn + H2O →_____________ +___________
Starting from hydrogen gas how would you obtain a metal by reduction of its heated oxide.
Select the correct options for the following statement:
A foul smelling gas formed when hydrogen reacts with a molten non-metal, is ___.
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Potassium- K + H2O → ______+ ______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with steam
Magnesium - Mg + H2O → ______+ _______ [g]
Account for the following fact:
Though lead is above hydrogen in the activity series, it does not react with dilute hydrochloric acid or dilutes sulphuric acid.
Give a balanced equation for the following conversion.
\[\ce{CO + H2<-H2O->CO2 + H}\]