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Question
What would you observe in the following case?
100ml of 98% sulphuric acid is kept open.
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Solution
When 100ml of 98% sulphuric acid is kept in open it absorbs water vapours from atmosphere and its level goes up.
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RELATED QUESTIONS
Comment, sulphuric acid is referred to as King of chemicals.
Comment, sulphuric acid is referred to as oil of vitriol.
Give reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
Write a balanced chemical equation for each of the following reactions :
Action of dilute sulphuric acid on sodium hydroxide.
Name the following:
Products obtained by dissolving sulphur dioxide and chlorine in water.
What would you observe in the following case?
Sulphur trioxide is dissolved in water on a large scale.
Give examples of the use of sulphuric acid as
An electrolyte in everyday use
How will you identify?
Sulphur dioxide gas
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reactions (i) to (v). Some properties may be repeated:
- Typical acid
- Dehydrating agent
- Non-volatile acid
- Oxidizing agent
- \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
- \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
- \[\ce{NaCl + H2SO4 -> NaHSO4 + HCl}\]
- \[\ce{CuO + H2SO4 -> CuSO4 + H2O}\]
- \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
Which property of sulphuric acid accounts for its use as a dehydrating agent?
