Chemistry How many neutrons are there in 92U238 atom ? 146 330 92 238 146 330 92 238 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Helium Nitrogen Hydrogen Methane Helium Nitrogen Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 4 x 6.02 x 1023 gram 1.00 gram 8.00 gram 4.00 gram 4 x 6.02 x 1023 gram 1.00 gram 8.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Non-renewable Abiotic Biotic Renewable Non-renewable Abiotic Biotic Renewable ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Alum Lime Potassium Permangante Sodium carbonate Alum Lime Potassium Permangante Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of human blood is between : 44052 7.5-8 4.5-5 6.5-7 44052 7.5-8 4.5-5 6.5-7 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS