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CBSE Class 10 Answered

how does greasing help in prevention of corrosion
Asked by | 09 May, 2012, 12:48: PM
answered-by-expert Expert Answer
Greasing blocks the contact of metal surface with air and water ,hence the metal gets protected from corrosion.
Answered by | 09 May, 2012, 04:52: PM

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CBSE 10 - Chemistry
write the chemical equation for reaction that takes place when lead nitrate and potassium iodine solutions are mixed
Asked by dikshantnaik1008 | 21 Jul, 2023, 11:47: AM
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CBSE 10 - Chemistry
On heating blue coloured powder of Copper (I) Nitrate in a boiling tube, Copper Oxide (black), Oxygen gas and a brown gas X is formed (a) Write a balanced chemical equation of the reaction. (b) Identify the brown gas X evolved. (c) Identify the type of reaction. (d) What could be the pH range of the aqueous solution of the gas X ?
Asked by susrisangita792 | 07 Jun, 2023, 11:54: AM
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CBSE 10 - Chemistry
how we get the result of NH3+ HCL =NH4CL
Asked by shoaibhakak41 | 18 Jan, 2023, 02:17: PM
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CBSE 10 - Chemistry
an iron metal compound 'Y', after decomposition changes into a solid brown substance and evolve a gas having characteristic odour of burning sulphur. Write the chemical reaction associated with this observation.
Asked by nehashekh291 | 03 Jan, 2023, 03:11: PM
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CBSE 10 - Chemistry
when metals react with nitric acid then this gas is produced
Asked by nehashekh291 | 02 Jan, 2023, 07:26: PM
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CBSE 10 - Chemistry
what is electrolytic refining
Asked by satulurivictor | 17 Dec, 2022, 08:51: PM
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CBSE 10 - Chemistry
         C5H8O2+         NaH+    HCl→____C5H12O2+         NaCl balancing the equation  
Asked by kashviS.shah | 14 Sep, 2022, 11:27: PM
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CBSE 10 - Chemistry
The chemical reaction between MnO2 and HCl is an example of?
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Asked by ten.foundation | 29 Aug, 2022, 07:53: PM
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CBSE 10 - Chemistry
Mention the type of reaction that take place on heating lead nitrate crystal
Asked by Shadm4242 | 20 Aug, 2022, 12:35: PM
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CBSE 10 - Chemistry
solve this
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Asked by Sunita | 21 Jul, 2022, 10:18: AM
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