Chemistry What is the covalency of nitrogen in ammonia molecule 2 5 3 4 2 5 3 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) Infra-red (IR) X–rays Gamma rays Ultraviolet rays (UV) Infra-red (IR) X–rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 146 330 92 238 146 330 92 238 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial fruit ripening of green fruit is Ethane Acetylene Methane Ethylene Ethane Acetylene Methane Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in RNA Ribose Thymine Uracil Phosphate Ribose Thymine Uracil Phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodine can be separated from a mixture of Iodine and Potassium Chloride by Distillation Filtration Sedimentation Sublimation Distillation Filtration Sedimentation Sublimation ANSWER DOWNLOAD EXAMIANS APP
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