Chemistry What is the principal ore of aluminium ? Bauxite Copper Dolomite Lignite Bauxite Copper Dolomite Lignite 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 Raman spectra Emission spectra Absorption spectra Fluorescence Raman spectra Emission spectra Absorption spectra Fluorescence ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium stearate Sodium palmitate Sodium salt of benzene sulphonic acid Sodium salt of benzene carboxylic acid Sodium stearate Sodium palmitate Sodium salt of benzene sulphonic acid Sodium salt of benzene carboxylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following does the Nucleus of an atom consist of? Protons Protons and neutrons Protons and electrons Electrons Protons Protons and neutrons Protons and electrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Sulphur Magnesium Silicon Phosphorous Sulphur Magnesium Silicon Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of Avogadro Number is 6.023 × 1025 6.023 × 1023 6.023 × 1024 6.023 × 1022 6.023 × 1025 6.023 × 1023 6.023 × 1024 6.023 × 1022 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS