Chemistry When formaldehyde and potassium hydroxide are heated, we get Methane Acetylene Ethyl formate Methyl alcohol Methane Acetylene Ethyl formate Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' John Dalton Antoine Lavoisier Democritus Robert Boyle John Dalton Antoine Lavoisier Democritus Robert Boyle 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 Emission spectra Fluorescence Raman spectra Absorption spectra Emission spectra Fluorescence Raman spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Butadiene Styrene Ethylene Isoprene Butadiene Styrene Ethylene Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 100 km 150 km 300 km 200 km 100 km 150 km 300 km 200 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Methane Carbon dioxide Nitrogen Chlorofluorocarbons Methane Carbon dioxide Nitrogen Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
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