Which of the following processes is involved in chemical reactions? – McqOptions

MCQOPTIONS

1.	Which of the following processes is involved in chemical reactions?
A.	Heating copper wire in the presence of air at high temperature
B.	Melting of ice to give water
C.	Storing of oxygen gas under pressure in a gas cylinder
D.	Liquefaction of air
Answer» B. Melting of ice to give water

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