Hi, I'm Dr Krishna Rani from Kota, Rajasthan. Retired professor of Chemistry and principal, college education. I have 48+ years of teaching experience with Hindi & English speaking students preparing for competitive exams - JEE/NEET/NET. I am here to share my love for this subject with you all.
Chemistry concepts by Dr Krishna Rani
Q. Mass of two moles of NaCl is —— - -
( gm atomic mass of Na is 23 gm and gm atomic mass of Cl is 35.5 gm)
2 days ago | [YT] | 28
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Chemistry concepts by Dr Krishna Rani
Q. Caustic potash is
3 days ago | [YT] | 39
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Chemistry concepts by Dr Krishna Rani
Q. Quick lime is
3 days ago | [YT] | 36
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Chemistry concepts by Dr Krishna Rani
Q. Philosopher’s wool is
3 days ago | [YT] | 34
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Chemistry concepts by Dr Krishna Rani
Q. CH3 COCH2CH2CH3 and CH3 CO CH(CH3)2 have isomerism
4 days ago | [YT] | 22
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Chemistry concepts by Dr Krishna Rani
Q. The hybridisation of central carbon atom in carbanion is
4 days ago | [YT] | 29
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Chemistry concepts by Dr Krishna Rani
Q. Bleaching powder is CaOCl2, it is
4 days ago | [YT] | 20
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Chemistry concepts by Dr Krishna Rani
Q. Aromatic ether is
1 week ago | [YT] | 11
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Chemistry concepts by Dr Krishna Rani
Q. Which is an alkanoate?
1 week ago | [YT] | 12
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Chemistry concepts by Dr Krishna Rani
Q. During electrolysis of molten lead ( II) bromide , lead is deposited on
1 week ago | [YT] | 3
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