Chemistry concepts by Dr Krishna Rani
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. Which acid is present in vinegar ?
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Chemistry concepts by Dr Krishna Rani
Q. Which acid is present in curd ?
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Chemistry concepts by Dr Krishna Rani
Q. The number of electrons in Sodium ion ( Na+1) is
5 hours ago | [YT] | 3
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Chemistry concepts by Dr Krishna Rani
Q. Which reagent is used for cleavage of ethers ?
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Chemistry concepts by Dr Krishna Rani
Q. Metal present in haemoglobin is
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Chemistry concepts by Dr Krishna Rani
Q. The electronic configuration 1s2 2s2 2p5 3s1 is of
1 day ago | [YT] | 12
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Chemistry concepts by Dr Krishna Rani
Q. Benzoic acid gives buff colour with neutral ferric chloride, it is
1 day ago | [YT] | 8
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Chemistry concepts by Dr Krishna Rani
Q. Aromatic compounds burn with sooty flame due to presence of high percentage of carbon , it is
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Chemistry concepts by Dr Krishna Rani
Q. Which is an aromatic acid?
1 day ago | [YT] | 40
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Chemistry concepts by Dr Krishna Rani
Q. The ionic product of water, K_w, increases with increase in temperature. It is
4 days ago | [YT] | 20
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