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ICSE Class 10 Answered

Sir/Madam, kindly answer the following:  Why is direct addition of dil. H2SO4 to PbCO3 an impractical methof of preparing lead sulphate? 
Asked by kryngnga | 10 Jun, 2020, 11:15: AM
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Answered by Ravi | 10 Jun, 2020, 09:07: PM

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ICSE 10 - Chemistry
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ICSE 10 - Chemistry
Name the gas evolved when: dil. sulphuric acid reacts with sodium sulphite. Give the balanced chemical equation of the reaction as well.
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ICSE 10 - Chemistry
 we know water is a non electrolyte since it requires h2so4 to ionize to positively harged hydronium ions and sulphate ions then what property of water makes itself ionize to h+ and oh- ions along with the ionization of the dissolved salts ??  is it so if then why??
Asked by Himadri | 26 Jul, 2020, 11:01: PM
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ICSE 10 - Chemistry
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Asked by barunthakur234 | 01 Jul, 2020, 04:08: PM
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ICSE 10 - Chemistry
Sir/Madam, kindly answer the following:  Why is direct addition of dil. H2SO4 to PbCO3 an impractical methof of preparing lead sulphate? 
Asked by kryngnga | 10 Jun, 2020, 11:15: AM
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ICSE 10 - Chemistry
give a chemical test to distinguish between dil.sulphuric acid and conc.sulphuric acid
Asked by hrmeenal24 | 01 Nov, 2019, 05:52: PM
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ICSE 10 - Chemistry
1)write a equation when hot and concentrated sulphuric acid reacts with sodium hydroxide. 2)concentrated sulphuric  acid is kept in air tight bottle.give reason 3)sulphuric acid is not used as drying agent for H2S.
Asked by hrmeenal24 | 01 Nov, 2019, 05:51: PM
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