Neon gas is

A. Flammable in nature

B. Used in color discharge tube

C. Filled in lamps having tungsten filament

D. All (A), (B) and (C)

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  18. Which of the following is the second major component of cement?
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  22. Antibiotic
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  25. Thermosetting materials
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