Chemistry Greenhouse effect is caused by Carbon monoxide Nitrogen dioxide Nitrogen Carbon dioxide Carbon monoxide Nitrogen dioxide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 138 314 88 50 138 314 88 50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 13 days 0.01 minute 3 billion years 100 years 13 days 0.01 minute 3 billion years 100 years ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called NOAEL LD50 ADI LC50 NOAEL LD50 ADI LC50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Silicon Ultra pure carbon Beryllium Tantalum Silicon Ultra pure carbon Beryllium Tantalum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in RNA Ribose Uracil Thymine Phosphate Ribose Uracil Thymine Phosphate ANSWER DOWNLOAD EXAMIANS APP
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