D.None of these
- With which the filament of an electric bulb made?
- With which the filament of an electric bulb is made?
- Stainless steel is the alloy of
- Which gas is used in electric bulb
- Which has is usef in electric bulb?
- Stainless steel is the alloy of:
- Which are the two gases that we exale more than we inhale?
- Which of the following country is located in the “Levant”region?
- Which one of the following greenhouse gases has the greatest warming effect?
- Sharm_el_sheikh is the name of ?