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1 . What is the use of control lamp in the electrolysis of fused alumina?
2.A compound whose aqueous solution is neutral in nature? |
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| asked by Arunima (arunima_29) 7 years ago |
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I hv these doubts in the four compounds (HCl NH3 HNO3 H2SO4
Cud someone pls answer it:
1)How do u prove that NH3 is alkaline(without using an indicator)?
2)Write an equation to obtain ammonia from ammonium hydroxide.
3)Name the amphoteric oxide which cannot be reduced by NH3.State the reason.
4)Name the ammonium salt used to clean metal surfaces.State the reason.
5)Give reason:Lead nitrate is not used in place of nitre for the preparation of nitric acid in the lab.
6)Give reason:The reactant mixture used in Ostwald's process is scrubbed with caustic soda and refrigerated before catalytic oxidation is carried out.
7)Give reason:The unchanged gases leaving the absorption tower in ostwald's process are passed through sodium carbonate soln.
8)Using H2SO4 write a rxn for converting a metallic nitrate into its corresponding metallic sulphate.Also state the property used.
9)Prove that sulphuric acid contains sulphur.
10)Name:A fertiliser manufactured using sulphuric acid during the process of manufacture.
11)The anhydride of sulphuric acid used in explosives.
12)Sulphuric acid can be used in the manufacture of HCl but not HI.Give reason.
THANKS IN ADVANCE |
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| asked by Akash Ashok (akashskyash007) 7 years ago |
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does anyone have a page with the structures of all isomers? my teacher said only 2 is in syllabus. kinda freaking out. would anyone be kind enough to post? I'd really appreciate it. :) |
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| asked by Samyukta Narasimhan (sam_01) 7 years ago |
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Lol whoeven posting pics wont affect us.....It will waste your own time...Go and study chemistry lol!!???? |
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| asked by Richeek Das (hamba) 7 years ago |
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+ 1 more questions by hamba
What is the colour of manganese chloride????
Selina says its brownish (pg-210)
Wikipedia shows a pinkish white crystal??
Is it because selina has written the word filtrate or what??? |
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| asked by Richeek Das (hamba) 7 years ago |
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Give the equation
Aluminum carbide is hydrolysed |
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| asked by Navami S (resee) 7 years ago |
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what is the reaction between sodium nitrate and dilute sulpuric acid? |
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| asked by Eliz (eliz1995) 7 years ago |
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What is meant by 1 mole of oxygen?Pls tell what u ll whud write for this.... |
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| asked by Xyz (san_ika) 7 years ago |
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ICSE should update the syllabus
the bohr atomic model is completely wrong |
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| asked by Catlover (catlover) 7 years ago |
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Tip :- For reactions go to the summary of each chapter at the end of the book (thank me later)(for Dalal users only) |
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| asked by Officer Tenpenny (anurag45) 7 years ago |
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