Indirapuram, Ghaziabad, India - 201014
22
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Education
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Class Location
Online (video chat via skype, google hangout etc)
At the Institute
Board
CBSE
CBSE Subjects taught
Mathematics, Science
4.9 out of 5 18 reviews
Sandeep Bhardwaj
"I have a very good experience. I told in a very clear way. It is also easy to learn. I will give advice to my friends too, this is a great application to learn on this "
Mb Academy
"I still remember about this faculty because at that time I had no enough time for an exam and I was feeling helpless than I decided to take the online class then I got this faculty. There was a more experienced teacher and they helped me a lot duration of my exam and finally, it happened I got 93% in 10th. Thanks for being my teacher. "
Sweety
"I got a great experience from here, There are more facilities What I have taken and faculty has good experience teacher. I am blessed to have this academy. Thank you so much. "
Pinki
"Very nice coaching faculties. My brother completed ix th class with not only good marks but also good knowledge of maths and other language subjects. Earlier he scared to maths but now he is more confident in maths and decided to study with maths in secondary class too. "
Shrdul Arora
"Great experience with Rahul sir. Good knowledge of all subjects, good behaviour, good teaching skills. "
Meera Pandey
"Just awesome in online classes. The most incredible thing that faculty is very experienced and have a good command over their subjects. "
Seema Sharma
"It is very helpful for students! Teachers teach so well and clears All the doubts. Best class I have ever had for my child. "
Sumit Kumar
"My son studied here in 9th class and got 93.4 % marks. He was very willing to continue his classes here for 10th as well. He told us that the way Sachin sir teaches is very friendly and cooperative. He doesn't feel scared or shy while asking his doubts with Sachin sir. He told us that Sachin sir give good examples to clear the topics and make them understanding. And one main thing is that Sachin sir seems to be very ethical in his field like he don't want to skip the classes for any reason. If it happen rarely then he compensate the classes with extra time. I can see the progess of my son since he joined here and hoping for good result in 10th class for my son. "
Nishi Tyagi
"Best learning environment, Get personalized attention. They are providing the classes at very affordable prices as compare to the other branded coaching centers in my area. "
Akshat Jain
"I always used to learn science but now sachin sir has helped me and now i am able to understand science. "
Rewa
"It was an amazing experience for my son. He could call sir anytime with any doubt. Very comfortable and friendly environment. No stress to students of homework and often written test to review the level of understanding of students. "
ARUN KUMAR
"One of the finest guidance with well-refined concept clearance and a very well experienced staff and faculty. "
Heera
"A very nice place, good teaching experience. The teaching faculty staff are also good and experienced. "
Lakshya Singh
"Very good experience with this tuition centre sir, Teacher very well take care of students very much. He is the real god for students who make them score good marks. "
Mrs Pankaj Arora
"It was a very wonderful experience. The method of teaching is very commendable. He would make each and every concept very clear to understand by the students which would very easy for them to learn the methods easily. Due to his efforts my daughter score 97 marks in Maths in her 10 th boards. Thank you very much, sir, for all your efforts. "
Answered on 24/07/2020 Learn CBSE/Class 10/Science/Unit I: Chemical Substances - Nature and Behaviour/Chemical Reactions and Equations
Answered on 03/07/2020 Learn CBSE/Class 10/Science/Unit I: Chemical Substances - Nature and Behaviour/Chemical Reactions and Equations
The Combining capacity of an atom is called valency. Thus, it is the number of valence electron an atom has to gain or lose from its outermost orbit. The oxidation number is the charge an atom can carry. For instance, nitrogen has valency three, but its oxidation number can range from -3 to +5.
Valency of Mg is +2.
Cu has two valencies. +1 and +2
Cuprous +1
Cupric +2
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