Process of loosing electrons is known as _____.
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Which of the following is the best fire-extinguisher?
Air ___________________ are the substances which contaminate the air.
The Chemical formula of Methanol is _____.
What is the relative molecular mass of water?
The property of metals by which they can be beaten into thin sheets is called _______________.
The only non-metal which is liquid at room temperature is
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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