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Explain the steps involved in the preparation of either potassium dichromate from sodium chromate or potassium permanganate from manganese dioxide.
The wave nature of an electron was first given by: (1) De-Broglie (2)Heisenberg (3)Mosley (4)Sommerfield Ans: De-Broglie
what are ion? under what conditions are they produced?
Dehydration or Decarboxylation of acids by MnO/300°C (1) This reaction occurs among two molecules of carboxylic acids. Both can be the same or different. (2) If one of the c
Which of the following set of quantum number is not valid: (1) n=1, l=2 (2) 3=2, m=1 (3) m=3,l=0 (4) 3=4,l=2
its preparation
resonating structure of p-nitro aniline
No. of KMnO4 required to oxidise 1 mole of Fe(C2O2) in acidic medium? Solution) 1 mole of KMnO4 is required for oxidation of 1 mole of Fe(C2O2). 2KMno4+2Fe(C2O2)+6H2SO4 = K2S
2Zns + 3O 2 ---------> 2ZnO + 2SO 2 ZnCO 3 -------------> ZnO + CO 2 ZnO +C ------> Zn +CO ZnO + CO -----------> Zn + C0 2
The maximum number of electrons that can be accommodated in f sub shell is : (1) 2 (2) 8 (3) 32 (4) 14 Ans: 14
Biodegradable polymers These are the polymers that are degraded through micro-organisms in an appropriate period so that biodegradable polymers and their degraded products do n
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