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प्रश्न
Write a balanced chemical equation for each of the following reactions :
Action of dilute sulphuric acid on zinc sulphide.
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उत्तर
ZnS + H2SO4(dil) → ZnSO4 + H2S
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संबंधित प्रश्न
Complete the following equations :
S + conc.HNO3 →
How does sulphuric acid occur in nature?
Name the following:
Products obtained by dissolving sulphur dioxide and chlorine in water.
Give reason for the following:
When diluting concentrated sulphuric acid, the acid should be added to water and not water to the acid.
How are the following conversion brought about? Give equation and condition:
Sulphur trioxide to oleum.
How will you distinguish between conc. HCl and conc. H2SO4?
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reaction (a) to (e). Some properties may be repeated.
A. Acid
B. Dehydrating agent
C. Non-volatile acid
D. Oxidizing agent
(a) \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
(b) \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
(c) \[\ce{NaCl + 2H2SO4 -> NaHSO4 + HCl}\]
(d) \[\ce{CuO + 2H2SO4 -> CuSO4 + H2O}\]
(e) \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
How will you identify?
Sulphur dioxide gas
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the copper.
Identify the following:
The element having electronic configuration 2, 8, 6.
