Questions by Doubtly

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1 answer 3.6k views

Using the energy conservation, derive the expressions for the minimum speeds at different locations along a

asked May 18, 2021 in Chapter1:Rotational Dynamics

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1 answer 2.6k views

While driving along an unbanked circular road, a two-wheeler rider has to lean with the vertical.

asked May 18, 2021 in Chapter1:Rotational Dynamics

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1 answer 1.7k views

Why is it useful to define radius of gyration?

asked May 18, 2021 in Chapter1:Rotational Dynamics

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1 answer 297 views

Distinguish between crystalline solids and amorphous solids.

asked May 16, 2021 in Chapter 1: Some Basic Concepts of Chemistry

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1 answer 152 views

What are diamagnetic substances?

asked May 15, 2021 in Chemistry

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1 answer 566 views

Name the bravais lattice in the triclinic system

asked May 15, 2021 in Chemistry

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1 answer 3.0k views

Write the effect on density of a substance in the Frenkel defect?

asked May 15, 2021 in Chemistry

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1 answer 244 views

E. What is the stationary phase in Paper Chromatography?

asked May 14, 2021 in Chapter 3: Basic Analytical Techniques

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1 answer 427 views

D. Why is paper moistened before filtration?

asked May 14, 2021 in Chapter 3: Basic Analytical Techniques

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1 answer 541 views

C. Why is a condenser used in distillation process?

asked May 14, 2021 in Chapter 3: Basic Analytical Techniques

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1 answer 3.2k views

B. What do you understand by the terms a. residue b. filtrate.

asked May 14, 2021 in Chapter 3: Basic Analytical Techniques

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1 answer 2.7k views

A. Which of the following techniques is used for purification of solid organic compounds?

asked May 14, 2021 in Chapter 3: Basic Analytical Techniques

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1 answer 689 views

E. Colourless components on chromatogram can not be observed by the following :

asked May 14, 2021 in Chapter 3: Basic Analytical Techniques

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1 answer 659 views

D. A mixture of acetone and benzene can be seperated by the following method :

asked May 14, 2021 in Chapter 3: Basic Analytical Techniques

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1 answer 402 views

C. Which technique is widely used in industry to seperate components of mixture and also to purify them ?

asked May 14, 2021 in Chapter 3: Basic Analytical Techniques

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1 answer 221 views

B. Which of the following techniques is used for seperation of glycerol from soap in soap industry ?

asked May 14, 2021 in Chapter 3: Basic Analytical Techniques

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1 answer 255 views

A. Which of the following methods can be used to seperate two compounds with different solubilities in the same solvent?

asked May 14, 2021 in Chapter 3: Basic Analytical Techniques

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1 answer 901 views

Define Analytical chemistry. Why is accurate measurement crucial in science?

asked May 14, 2021 in Chapter 2: Introduction to Analytical Chemistry

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1 answer 497 views

Why does molarity of a solution depend upon temperature ?

asked May 14, 2021 in Chapter 2: Introduction to Analytical Chemistry

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1 answer 239 views

Why there is a need of rounding off figures during calculation ?

asked May 14, 2021 in Chapter 2: Introduction to Analytical Chemistry