A. Pressure cooker B. Jet engine C. Tea in a steel kettle D. None of these
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A. Lattice energy B. Electronegativity C. Both D. None
A. Same as that of graphite B. Less than that of graphite C. Greater than that of graphite D. Taken as zero.
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A. Increases B. Remains constant C. Decreases D. Can increase or decrease
A. Carbocation B. Carbanion C. Carbene D. Free radical
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A. Wear and tear due to friction B. Cryogenic temperature C. High temperature D. Action of acid
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A. Benzaldehyde B. Cyclohexane C. Benzophenone D. Adipic acid
A. Polyester B. Bakelite C. Polyethylene D. Alkyl resin
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A. Teflon B. Nylon-66 C. Terylene D. Bakelite
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A. Hexamethylenediamine and adipic acid B. Phenol and formaldehyde C. Propylene and adipic acid D. Adipic acid and phthalic acid