Chemistry What is the most commonly used substance in fluorescent tubes? Sodium vapour and neon Sodium oxide and argon Mercury vapour and argon Mercury oxide and neon Sodium vapour and neon Sodium oxide and argon Mercury vapour and argon Mercury oxide and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural polymer? Nylon Polythene Starch Bakelite Nylon Polythene Starch Bakelite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is '6.023 × 10–23 6.023 × 1020 '6.023 × 10–20 6.023 × 1023 '6.023 × 10–23 6.023 × 1020 '6.023 × 10–20 6.023 × 1023 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The length of double bond is _______ than single bond Shorter None of these Of same lenght Longer Shorter None of these Of same lenght Longer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Sodium Chloride Dry ice or frozen carbon dioxide All listed here Silver Iodide Sodium Chloride Dry ice or frozen carbon dioxide All listed here Silver Iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Oxygen Iron Nitrogen Carbon Oxygen Iron Nitrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
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