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 Emission spectra Raman spectra Fluorescence Absorption spectra Emission spectra Raman spectra Fluorescence Absorption spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Lighter than hydrogen More abundant than hydrogen More stable Non-combustible Lighter than hydrogen More abundant than hydrogen More stable Non-combustible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over Europe India Africa Antarctica Europe India Africa Antarctica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silica gel is a Moisturizer Flavouring agent Drying agent Delicious food Moisturizer Flavouring agent Drying agent Delicious food ANSWER DOWNLOAD EXAMIANS APP
Chemistry Surface water is a better source of drinking water because it is poor in Arsenic Dust Bacteria Algae Arsenic Dust Bacteria Algae ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Aluminum Manganese Copper Silver Aluminum Manganese Copper Silver ANSWER DOWNLOAD EXAMIANS APP
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