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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, 21:07: PM

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ICSE 10 - Chemistry
Rewrite the following statements by adding the correct word as shown in the example: Example: Given Statement: Ammonia changes moist red litmus to blue. Correct Statement: Aqueous ammonia changes moist red litmus to blue. (a) Sulphuric Acid acts as a dehydrating agent. (b) Ammonia reacts with chlorine to give ammonium chloride and nitrogen.  
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write an equation for the reaction of SO² with h²O
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draw a draft to show Difference between HCl, HNO3 and H2SO4.
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ICSE 10 - Chemistry
Why H2SO4 is used in the laboratory preparation of HCl?
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ICSE 10 - Chemistry
X is formed when SO3 is dissolved in Sulphuric acid.  
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ICSE 10 - Chemistry
13. Write the balanced chemical equation to support each of the statements given below (use only dilute sulphuric acid). a. Basic oxide + acid → salt + water b. Metallic carbonate + acid → salt + water + carbon dioxide
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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.
Asked by ramasareverma99 | 26 Oct, 2020, 21:35: PM
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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, 23:01: PM
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ICSE 10 - Chemistry
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Asked by barunthakur234 | 01 Jul, 2020, 16:08: 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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