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It is Heated
It is placed in the strong electric field
Electron of Suitable velocity impinge on it.
Light of Suitable Wavelength falls on it.
The plastic material commonly used for making gear wheels is
The polymerisation of Which among the given is used in manufacturing of polythene in industry -
The presence of Cobalt in Vitamin B12 was established for the 1st time by
The presence of ozone in the stratosphere is responsible for
The principle involved in the absorption of water by soil is
The principle of black hole was enunciated
The process by which milk is converted to curd is called
The process of depositing of a Layer of Zinc over water pipes for being protected from rusting is known as
The process of elimination of water from any system is called
The product equivalent weight and valency of an element is equal to