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ICSE Class 10 Answered

What happens when a drop of conc. H2SO4is added to a poece of  white paper
Asked by lovemaan5500 | 18 Mar, 2018, 16:31: PM
answered-by-expert Expert Answer
Sulphuric acid is a powerful dehydrating agent.
It removes water from paper and paper turs black.
Answered by Varsha | 18 Mar, 2018, 21:15: PM

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ICSE 10 - Chemistry
State the term -  The number of hydrogen ions with which a molecule of that base will react to produce salt and water only.
Asked by manshul320 | 15 Sep, 2022, 16:44: PM
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ICSE 10 - Chemistry
why acids produces h+ion
Asked by chandanavroy | 09 Jul, 2022, 00:37: AM
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ICSE 10 - Chemistry
A water molecule has 2 lone pair of electrons ,with one pair proton combines and make H30+ ,so is there a chance of H4O+ when another proton combines with H3O+?
Asked by poojamahalingam06 | 02 Oct, 2021, 18:15: PM
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ICSE 10 - Chemistry
what happens when iron reacts with potassium nitrate and concentrated hcl  
Asked by abiramaarjun | 22 Sep, 2021, 20:08: PM
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ICSE 10 - Chemistry
lead oxide is a metallic oxide which reacts with hydrochloric acid to produce dash
Asked by roopashivakumar1986 | 01 Sep, 2021, 15:55: PM
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ICSE 10 - Chemistry
What is The basicity  of hydrogen in acetic acid ?
Asked by abhaymaurya620 | 17 Mar, 2021, 12:10: PM
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ICSE 10 - Chemistry
Why nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3?
Asked by somukherjee320 | 09 Jan, 2021, 22:05: PM
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ICSE 10 - Chemistry
why concentrated sulphuric acid is always added to water and not the water to concentrated sulphuric acid ? why the mixture gets hot?
Asked by kumargangwarn | 12 Dec, 2020, 21:20: PM
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ICSE 10 - Chemistry
it is said that we should never add water to acid but then what should be done to make the acid dilute?
Asked by chitrachongdar07 | 16 Aug, 2020, 20:18: PM
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ICSE 10 - Chemistry
ammonia is basic gas and when it reacts with sulphuric acid which is acidic in nature it produces Ammonium sulphate , but this reaction is not an example of neutralization reaction (it does not produces acid and base)?
Asked by shivanshrathore964 | 08 Aug, 2020, 21:36: PM
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