What was Dobereiner's basis of classifying elements?
What was Dobereiner's basis of classifying elements? Answer - According to Dobereiner, elements having similar properties can be arranged...
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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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Vikas Yadav
- Mar 13, 2021
- 2 min
Most important questions from Coordination Compounds - XII CBSE
1. Define Linkage Isomerism. Give an example of linkage isomerism. 2. Define Coordination Isomerism. Give an example of coordination...
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Vikas Yadav
- Mar 11, 2021
- 2 min
Most important questions from Alcohol, Phenol and Ethers - XII CBSE
Important questions from Alcohol, Phenol and Ethers 1. Write the structure of the molecule of a compound whose IUPAC name is...
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Vikas Yadav
- Feb 11, 2021
- 2 min
Top 10 Question for CBSE Board Exam - 01, Class XII CBSE Chapter – Solution
Top 10 Question for Board Exam - 01 Chapter – Solution 1. Define the following terms molarity, molality and mole fraction. What is the...
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Vikas Yadav
- Feb 9, 2021
- 1 min
Top 10 Question for CBSE Board Exam - 02 Chapter - Solid State
1. Which stoichiometric defect does not change the density of the crystal? 2. What type of stoichiometric defect is shown by AgCl? 3....
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Vikas Yadav
- Feb 8, 2021
- 2 min
Top 10 Question for Board Exam - 01 Chapter - Solid State
Top 10 Question for Board Exam - 01 Chapter - Solid State 1. “Crystalline solids are anisotropic in nature.” What does this statement...
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Vikas Yadav
- Jan 25, 2021
- 1 min
Best study material for Class X CBSE for Social Science
Get here the CBSE Study Material for Class 10 Social Science subject. This study material has been specially prepared for the upcoming...
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Vikas Yadav
- Jan 25, 2021
- 1 min
Best study material for Class X CBSE for Science
In CBSE Class 10, Science is one of the most important subjects especially for those students who want to pursue this subject in their...
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Vikas Yadav
- Jan 23, 2021
- 1 min
Class XII, CBSE, Chemistry Sample Paper 2021 - by Educart
https://t.me/gurucoolclasses/99 - Sample Paper https://t.me/gurucoolclasses/100 - Solution
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Vikas Yadav
- Jan 21, 2021
- 1 min
Class 12 Chemistry Standard XII 11 Years CBSE Champion Chapterwise Topicwise Questions and Solutions
Class 12 Chemistry Standard XII 11 Years CBSE Champion Chapterwise Topicwise Questions and Solutions NCERT( 2007 to 2017 ) Useful for IIT...
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Vikas Yadav
- Jan 5, 2021
- 1 min
CBSE Board, Sample papers of Mathematics - https://t.me/gurucoolclasses/62
Oswaal Publications https://t.me/gurucoolclasses/62
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Vikas Yadav
- Jan 5, 2021
- 1 min
CBSE Board, Sample papers of Mathematics - https://t.me/gurucoolclasses/61
Oswaal Publications https://t.me/gurucoolclasses/61
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Vikas Yadav
- Jan 5, 2021
- 1 min
CBSE Board, Sample papers of Chemistry - https://t.me/gurucoolclasses/60
Oswaal Publications https://t.me/gurucoolclasses/60
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Vikas Yadav
- Nov 3, 2020
- 1 min
Concentrated nitric acid used in laboratory work is 68% nitric acid by mass in aqueous solution.....
Concentrated nitric acid used in laboratory work is 68% nitric acid by mass in aqueous solution. What should be the molarity of such a...
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Aseet Srivastava
- Oct 14, 2020
- 1 min
Explain why, the direction of induced current in the coil of an A.C. generator changes after.....
Explain why, the direction of induced current in the coil of an A.C. generator changes after every half revolution of the coil. Solution....
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Aseet Srivastava
- Oct 14, 2020
- 1 min
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet...
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is : (i) pushed into the coil ? (ii)...
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Aseet Srivastava
- Oct 14, 2020
- 1 min
Name two safety measures commonly used in domestic electric circuits and appliances.
Name two safety measures commonly used in domestic electric circuits and appliances. (NCERT Book Question) Answer. (i) Provision of...
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Aseet Srivastava
- Oct 14, 2020
- 1 min
What precautions should be taken to avoid overloading of domestic electric circuits ?
What precautions should be taken to avoid overloading of domestic electric circuits ? (NCERT Book Question) Answer. (i) Too many high...
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