Chemistry What is a common name for the substance which irritates lachrymal glands ? Laughing Gas Anaesthetic Gas Noble Gas Tear Gas Laughing Gas Anaesthetic Gas Noble Gas Tear Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium oxide and argon Mercury oxide and neon Sodium vapour and neon Mercury vapour and argon Sodium oxide and argon Mercury oxide and neon Sodium vapour and neon Mercury vapour and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Helium Argon Krypton Radon Helium Argon Krypton Radon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is x/6 5x/36 7.2 x 5x x/6 5x/36 7.2 x 5x ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is ethylene ethyl alcohol vinyl chloride None of these ethylene ethyl alcohol vinyl chloride None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material known in commerce as Terylene is a Modified natural fibre Natural fibre Blend of cotton and silk Synthetic fibre Modified natural fibre Natural fibre Blend of cotton and silk Synthetic fibre ANSWER DOWNLOAD EXAMIANS APP
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