Chemistry Which one of the following chemicals helps in fruit ripening? Isoproturan Malathion Atrazine Ethephon Isoproturan Malathion Atrazine Ethephon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Carbon Hydrogen Phosphorus Sulphur Carbon Hydrogen Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Krypton Neon Argon Helium Krypton Neon Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Terephthalic acid Benzoic Acid Phthalic acid Salicylic acid Terephthalic acid Benzoic Acid Phthalic acid Salicylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Infra-red (IR) X–rays Ultraviolet rays (UV) Gamma rays Infra-red (IR) X–rays Ultraviolet rays (UV) Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Zinc oxide Magnesium oxide Calcium oxide Aluminium oxide Zinc oxide Magnesium oxide Calcium oxide Aluminium oxide ANSWER DOWNLOAD EXAMIANS APP