Khadki Bazar, Pune, India - 411003.
2
Details verified of Jaini S.✕
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Gujarati Mother Tongue (Native)
Hindi Proficient
English Proficient
Marathi Basic
P.E.S. Modern College of arts, science and commerce, Shivajinagar, Pune - 411005. 2017
Bachelor of Science (B.Sc.)
Nowrosjee Wadia College, Pune - 411001. 2019
MSc in Chemistry
Khadki Bazar, Pune, India - 411003
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2 Students Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Board
State
CBSE Subjects taught
Science
Taught in School or College
No
State Syllabus Subjects taught
Science, English
2 Students Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Years of Experience in Class I-V Tuition
1
Board
State, CBSE
CBSE Subjects taught
Social Science, EVS, Hindi, Science, Marathi, Mathematics, English
Taught in School or College
No
State Syllabus Subjects taught
Hindi, Social Science, English, EVS, Mathematics, Science, Marathi
2 Students Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Board
State
Taught in School or College
No
State Syllabus Subjects taught
Science, EVS
2 Students Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Board
CBSE, State
CBSE Subjects taught
EVS, Science, Social Science
Taught in School or College
No
State Syllabus Subjects taught
EVS, Social science, Science
2 Students Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Years of Experience in Class 7 Tuition
1
Board
CBSE, State
CBSE Subjects taught
Mathematics, Hindi, EVS, Science, English, Social Science
Taught in School or College
No
State Syllabus Subjects taught
Mathematics, EVS, Hindi, Marathi, English, Social science, Science
2 Students Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Years of Experience in Class 6 Tuition
1
Board
CBSE, State
CBSE Subjects taught
Mathematics, Hindi, Marathi, EVS, Science, English, Social Science
Taught in School or College
No
State Syllabus Subjects taught
Mathematics, EVS, Hindi, Marathi, English, Social science, Science
2 Students Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Years of Experience in BSc Tuition
1
BSc Chemistry Subjects
Inorganic Qualitative & Quantitative Analysis, Concepts In Inorganic Chemistry, Analytical Chemistry, Industrial Chemistry, Transition Elements And Nuclear Chemistry, Organic Qualitative & Quantitative Analysis, Organic Functional Groups, Polymer Chemistry
Type of class
Regular Classes
Class strength catered to
Group Classes, One on one/ Private Tutions
Taught in School or College
No
BSc Branch
BSc Chemistry
1. Which school boards of Class 10 do you teach for?
State
2. Do you have any prior teaching experience?
No
3. Which classes do you teach?
I teach BSc Tuition, Class 10 Tuition, Class 6 Tuition, Class 7 Tuition, Class 8 Tuition, Class 9 Tuition and Class I-V Tuition Classes.
4. Do you provide a demo class?
Yes, I provide a free demo class.
5. How many years of experience do you have?
I have been teaching for less than a year.
Answered on 08/11/2019 Learn Tuition
Answered on 09/10/2019 Learn CBSE/Class 9/Science/Unit 1-Matter - Its Nature & Behaviour/Atoms and Molecules/NCERT Solutions/NCERT Exercise 3
Answered on 09/10/2019 Learn CBSE/Class 9/Science/Unit 1-Matter - Its Nature & Behaviour/Atoms and Molecules/NCERT Solutions/NCERT Exercise 3
Answer :-
a)Given mass of oxygen gas = 12 g
Molar mass of oxygen gas ( O₂) = 2 x 16 = 32 g
No. of moles = given mass / molar mass = 12/32 = 0.375 moles
b) Given mass of water = 20 g
Molar mass of water (H₂O) = 2 x 1 + 16 = 18 g
No. of moles = given mass / molar mass = 20/18 = 1.11 moles
c) Given mass of carbon dioxide = 22 g
Molar mass of carbon dioxide (CO₂) = 12 + 2 x 16 = 44 g
No. of moles = given mass / molar mass = 22/44 = 0.5 moles
Answered on 09/10/2019 Learn CBSE/Class 9/Science/Unit 1-Matter - Its Nature & Behaviour/Atoms and Molecules/NCERT Solutions/NCERT Exercise 3
Answer :-
(a) Molar mass of ethyne, C2H2 = Mass of C × 2 + Mass of H × 2
= 12 × 2 + 1 × 2
= 24 + 2
= 26 g/mol
(b) Molar mass of sulphur molecule, S8 = Mass of S × 8
= 32 × 8
= 256 g/mol
(c) Molar mass of phosphorus molecule , P4 = Mass of P × 4
= 31 × 4
= 124 g/mol
(d) Molar mass of hydrochloric acid, HCl = Mass of H + Mass of Cl
= 1 + 35.5
= 36. 5 g/mol
(e) Molar mass of nitric acid , HNO3 = Mass of H + Mass of N + Mass of O × 3
= 1 + 14 + 16 × 3
= 15 + 48
= 63 g/mol
Answered on 09/10/2019 Learn CBSE/Class 9/Science/Unit 1-Matter - Its Nature & Behaviour/Atoms and Molecules/NCERT Solutions/NCERT Exercise 3
Answer :-
(a) Magnesium chloride : MgCl2
(b) Calcium oxide : CaO
(c) Copper nitrate : i) CuNO3 [for Cu(I)]
OR
ii) Cu(NO3)2 [for Cu(II)]
(d) Aluminium chloride : AlCl3
(e) Calcium carbonate : CaCO3
2 Students Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Board
State
CBSE Subjects taught
Science
Taught in School or College
No
State Syllabus Subjects taught
Science, English
2 Students Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Years of Experience in Class I-V Tuition
1
Board
State, CBSE
CBSE Subjects taught
Social Science, EVS, Hindi, Science, Marathi, Mathematics, English
Taught in School or College
No
State Syllabus Subjects taught
Hindi, Social Science, English, EVS, Mathematics, Science, Marathi
2 Students Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Board
State
Taught in School or College
No
State Syllabus Subjects taught
Science, EVS
2 Students Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Board
CBSE, State
CBSE Subjects taught
EVS, Science, Social Science
Taught in School or College
No
State Syllabus Subjects taught
EVS, Social science, Science
2 Students Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Years of Experience in Class 7 Tuition
1
Board
CBSE, State
CBSE Subjects taught
Mathematics, Hindi, EVS, Science, English, Social Science
Taught in School or College
No
State Syllabus Subjects taught
Mathematics, EVS, Hindi, Marathi, English, Social science, Science
2 Students Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Years of Experience in Class 6 Tuition
1
Board
CBSE, State
CBSE Subjects taught
Mathematics, Hindi, Marathi, EVS, Science, English, Social Science
Taught in School or College
No
State Syllabus Subjects taught
Mathematics, EVS, Hindi, Marathi, English, Social science, Science
2 Students Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Years of Experience in BSc Tuition
1
BSc Chemistry Subjects
Inorganic Qualitative & Quantitative Analysis, Concepts In Inorganic Chemistry, Analytical Chemistry, Industrial Chemistry, Transition Elements And Nuclear Chemistry, Organic Qualitative & Quantitative Analysis, Organic Functional Groups, Polymer Chemistry
Type of class
Regular Classes
Class strength catered to
Group Classes, One on one/ Private Tutions
Taught in School or College
No
BSc Branch
BSc Chemistry
Answered on 08/11/2019 Learn Tuition
Answered on 09/10/2019 Learn CBSE/Class 9/Science/Unit 1-Matter - Its Nature & Behaviour/Atoms and Molecules/NCERT Solutions/NCERT Exercise 3
Answered on 09/10/2019 Learn CBSE/Class 9/Science/Unit 1-Matter - Its Nature & Behaviour/Atoms and Molecules/NCERT Solutions/NCERT Exercise 3
Answer :-
a)Given mass of oxygen gas = 12 g
Molar mass of oxygen gas ( O₂) = 2 x 16 = 32 g
No. of moles = given mass / molar mass = 12/32 = 0.375 moles
b) Given mass of water = 20 g
Molar mass of water (H₂O) = 2 x 1 + 16 = 18 g
No. of moles = given mass / molar mass = 20/18 = 1.11 moles
c) Given mass of carbon dioxide = 22 g
Molar mass of carbon dioxide (CO₂) = 12 + 2 x 16 = 44 g
No. of moles = given mass / molar mass = 22/44 = 0.5 moles
Answered on 09/10/2019 Learn CBSE/Class 9/Science/Unit 1-Matter - Its Nature & Behaviour/Atoms and Molecules/NCERT Solutions/NCERT Exercise 3
Answer :-
(a) Molar mass of ethyne, C2H2 = Mass of C × 2 + Mass of H × 2
= 12 × 2 + 1 × 2
= 24 + 2
= 26 g/mol
(b) Molar mass of sulphur molecule, S8 = Mass of S × 8
= 32 × 8
= 256 g/mol
(c) Molar mass of phosphorus molecule , P4 = Mass of P × 4
= 31 × 4
= 124 g/mol
(d) Molar mass of hydrochloric acid, HCl = Mass of H + Mass of Cl
= 1 + 35.5
= 36. 5 g/mol
(e) Molar mass of nitric acid , HNO3 = Mass of H + Mass of N + Mass of O × 3
= 1 + 14 + 16 × 3
= 15 + 48
= 63 g/mol
Answered on 09/10/2019 Learn CBSE/Class 9/Science/Unit 1-Matter - Its Nature & Behaviour/Atoms and Molecules/NCERT Solutions/NCERT Exercise 3
Answer :-
(a) Magnesium chloride : MgCl2
(b) Calcium oxide : CaO
(c) Copper nitrate : i) CuNO3 [for Cu(I)]
OR
ii) Cu(NO3)2 [for Cu(II)]
(d) Aluminium chloride : AlCl3
(e) Calcium carbonate : CaCO3
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Wagholi, Pune 
