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The solids which have negative temperature coefficient of resistance are :
Answer: insulators and semiconductors
The phase difference between displacement and acceleration of a particle in a simple harmonic motion
The phase difference between displacement and acceleration of a particle in a simple harmonic motion is: Answer :π rad
Two cylinders A and B of equal capacity are connected to each other via a stop cock.
Two cylinders A and B of equal capacity are connected to each other via a stop cock. A contains an ideal gas at standard temperature and...
In Wolff‐Kishner reduction, the carbonyl group of aldehydes and ketones is converted into
-CH2- Wolff - Kishner reduction : Aldehydes and Ketones are reduced to hydrocarbons in the presence of excess of hydrazine and strong...
Grignard reagents and organolithium compounds on addition to dry ice separately
Grignard reagents and organolithium compounds on addition to dry ice separately, followed by hydrolysis gives: Answer (b) carboxylic...
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