Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 150 km 200 km 300 km 100 km 150 km 200 km 300 km 100 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the maximum number of electrons that can be present in M-shell? 32 18 2 8 32 18 2 8 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 Fluorescence Emission spectra Raman spectra Absorption spectra Fluorescence Emission spectra Raman spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Ozone gas Carbon dioxide Methane Carbon Monoxide Ozone gas Carbon dioxide Methane Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Cannot be negative Can have any value above zero Will always be positive Can never be positive Cannot be negative Can have any value above zero Will always be positive Can never be positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium salt of benzene carboxylic acid Sodium salt of benzene sulphonic acid Sodium stearate Sodium palmitate Sodium salt of benzene carboxylic acid Sodium salt of benzene sulphonic acid Sodium stearate Sodium palmitate ANSWER DOWNLOAD EXAMIANS APP
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