Chemistry The most abundant element is Calcium Nitrogen Silicon Oxygen Calcium Nitrogen Silicon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 3.2 6.3 8.3 5.6 3.2 6.3 8.3 5.6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main nitrogenous waste in humans ? Uric Acid Urea Ammonium Nitrate Ammonia Uric Acid Urea Ammonium Nitrate Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Absorption spectra Raman spectra Emission spectra Fluorescence Absorption spectra Raman spectra Emission spectra Fluorescence ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Xenon Argon Helium Neon Xenon Argon Helium Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 8.341 × 107 8.314 × 107 4.183 × 107 8.413 × 107 8.341 × 107 8.314 × 107 4.183 × 107 8.413 × 107 ANSWER DOWNLOAD EXAMIANS APP