Important Name reactions for CBSE and ISC Board Students
A chemical reaction occurs when one or more compounds, known as reactants, are changed into one or more distinct substances,known as product
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Vikas Yadav
- Jun 19, 2022
- 1 min
Name Reactions - From Halo alkanes and Halo arenes
(i) Sandmeyer’s Reaction - Benzene diazonium chloride is converted to chlorobenzene, bromobenzene, cyanobenzene on treatment with...
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Vikas Yadav
- Apr 19, 2022
- 8 min
Important Questions from - d and f Block Elements | XII CBSE/ISC | Board Exam Preparation
Q1. Silver atom has completely filled d-orbitals (4d10) in its ground state. How can you say that it is a transition element? Ans. Silver...
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Vikas Yadav
- Apr 18, 2022
- 8 min
Important Questions from - Surface Chemistry | XII CBSE/ISC | Board Exam Preparation
Q1. What is the difference between physisorption and chemisorption? Ans - Q2. Give reason why a finely divided substance is more...
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Vikas Yadav
- Apr 7, 2022
- 1 min
Sample Papers of Geography for ISC board Students | Semester - 02 | Class XII
Gurucool Classes provides you the best sample papers for you board examination for semester 02 ICSE and ISC board students. Sample Papers...
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Vikas Yadav
- Apr 7, 2022
- 1 min
Sample Papers of Accounts for ISC board Students | Semester - 02 | Class XII
Gurucool Classes provides you the best sample papers for you board examination for semester 02 ICSE and ISC board students. Sample Papers...
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Vikas Yadav
- Apr 4, 2022
- 1 min
Sample Papers for Physics for ISC board Students | Semester - 02 | Class XII
Gurucool Classes provides you the best sample papers for you board examination for semester 02 ISC board students. Sample Papers for 2022...
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Vikas Yadav
- Apr 2, 2022
- 1 min
Sample Papers for English Literature for ISC board Students | Class XII | Semester - 02
Sample papers for semester 02 ISC Board English Literature
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Vikas Yadav
- Apr 1, 2022
- 1 min
Sample papers of Biology for ISC board students Class XII | Semester - 02 | 2022
Based on the ICSE/ISC Specimen Papers 2022 Semester 2, candidates can prepare for their Semester 2 examinations scheduled to the held in...
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Vikas Yadav
- Mar 31, 2022
- 1 min
Sample papers of chemistry for ISC board students Class XII | Semester - 02 | 2022
Based on the ICSE/ISC Specimen Papers 2022 Semester 2, candidates can prepare for their Semester 2 examinations scheduled to the held in...
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Vikas Yadav
- Mar 30, 2022
- 1 min
How to get 90% and above marks in Chemistry? - Work Sheets for Each Chapter
I have attached here few work sheets to score more than 90% in chemistry examination of CBSE/ISC board. Here are my tips and suggestions...
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Vikas Yadav
- Mar 25, 2022
- 3 min
Most important viva-voce questions for Salt Analysis or Qualitative analysis
1. What is qualitative analysis? Ans. The type of analysis that deals with the methods which are used to determine the constituents of a...
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Vikas Yadav
- Mar 25, 2022
- 2 min
Most important viva-voce questions for titration - XII, XI Chemistry Practical
1. What is titration? Ans. The process of adding one solution from the burette to another in the titration flask in order to complete the...
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Vikas Yadav
- Mar 15, 2022
- 1 min
Dehydration of ethanol in the presence of conc. H2SO4
Ethanol can be dehydrated to give ethene and di ethyl ether by heating it with an excess of concentrated sulphuric acid at 170 and 140...
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Vikas Yadav
- Mar 13, 2022
- 3 min
MOCK TESTS FOR JEE & NEET EXAMS
NEET Mock Tests - The NTA ( National Testing Agency) conducts the NEET, which is the biggest medical entrance exam for all medical and...
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Vikas Yadav
- Mar 9, 2022
- 1 min
Sample Papers For Term 02 Exam CBSE Board
Gurucool classes provides you best sample papers for term 02 examination of cbse board. By solving them you will surely got more than 90%...
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Vikas Yadav
- Mar 8, 2022
- 1 min
Most Important Questions for CBSE board TERM-02 Examination for Chemistry
Gurucool classes provides you the best material for your term exams as well as for your competition exams. Here we are providing you the...
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Vikas Yadav
- Mar 19, 2021
- 1 min
Most Important Questions from Surface Chemistry - CBSE XII
1. Differentiate between adsorption and absorption. 2. Physisorption is reversible while chemisorption is irreversible. Why ? 3. What is...
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