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Styrene
Acetylene
Methane
Ethylene
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
The protein present in the finger nail is
The pulse of the aquatic environment can be ascertained by measuring