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Ravi Ranjan Kumar
Founder of "The Selection Guru" Competitive Institute.Qualified:more than half a dozen govt.Exams.Youtube channels "UnBook" & "UnBook Talks"
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Aamir Suhail
2 years ago
practice ja chukia hai if they make us wait 4 so long
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Narendra singh
a year ago
ghatnachakra me to diya hai ki increase ho jata hai iron ka weight...
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Atul Araps Singh
2 years ago
Explanation is good. but upload rate is slow... make one course on biology
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Ravi Ranjan Kumar
2 years ago
I have to do another job thats why it takes time I will definitely try to upload on regular basis .
for biology ,when time will permit me I will make .
thanks for your valuable suggestion
Ravi Ranjan Kumar
2 years ago
I have made course on BIOLOGY.so watch and give suggestion to improve quality of lessons
Atul Araps Singh
2 years ago
Sure
Important questions on oxidation and reduction.
1)Tendency to loose electron is called.. A) Oxidation B) Reduction C) Catalyst D) None
Important questions on oxidation and reduction.
2) Tendency to gain election is called A) Oxidation B) Reduction C) Oxidising agent D) Reducing agent
LeO GeR LeO-loose of electron(Reducing agent) Ex-All metels Na.Mg etc - GeR-gain of electron. (Oxidising agent) ex-all non metals CI,N etc
3) Aluminium behaves as.. A) Oxidising agent B) Reducing agent C) Catalyst D) All
4) Hydrogen behaves as... A) Oxidising agent B) Reducing agent C) Galvanisation D) None
5) Rusting on iron is an example of .. - A) Oxidation B) reduction - c) galvanising D)none