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Sample Paper
Class – XI
Subject - Chemistry
Time : 1:30 hr
Time :- 3 hours &
Crushing and Grinding of the ore:- the ores occur in nature as huge lumps. They are broken to small pieces with the help of crushers and grinders. The p
# Radioactivity:- It is the phenomenon of spontaneous disintegration of the nucleus of an atom with the emission of one or more penetrating radiation like &pr
Hysteresis: The phenomenon of lagging of magnetic induction behind the magnetizing field is called Hysteresis and called “delayed”.
Separation and Isolation of DNA Fragments (Gel Electrophoresis)
Gel electrophoresis is a technique for separating DNA fragme
Classification of magnetic materials:
Diamagnetic substances: Diamagnetic substances ar
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