The gases used in different types of welding would include
Oxygen and Acetylene are the gases used in different types of welding.
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Find the odd one out.
Which of the following is an example of thermosetting plastic?
........... is not a sub atomic particle of an atom.
Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
Benzene is ______ in ethyl alcohol.
What is the process of rust forming on iron called?
Trinitrotoluene is