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ICSE Class 10 Answered

what will be the observation if we heat yellow solid flakes of sodium sulphide
Asked by | 28 Oct, 2012, 06:51: PM
answered-by-expert Expert Answer

The leading exporter of the sodium sulphide(Na2s) the liquid is a strong alkaline solution. It come in the various solution concentration depends on the varying industrial needs. The Sodium sulphide acknowledged for the purity is widely used in the  applications like the oil recovery, flotation and for making the detergent and the dyes. Its also used as bleaching, the chlorinating agent in the textile industry and the oxygen scavenger agent in water treatment.

Answered by | 29 Oct, 2012, 10:42: 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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draw a draft to show Difference between HCl, HNO3 and H2SO4.
Asked by praggya.srivastava.g1972 | 22 Aug, 2023, 04:45: PM
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ICSE 10 - Chemistry
Why H2SO4 is used in the laboratory preparation of HCl?
Asked by himnishagarwal1812 | 05 Jan, 2022, 05:31: PM
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ICSE 10 - Chemistry
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Asked by rekhavaradkar53 | 04 Jan, 2022, 09:40: PM
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ICSE 10 - Chemistry
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Asked by Rohithgff | 22 Feb, 2021, 04:44: AM
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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, 09:35: 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, 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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