Chemistry Sour taste of lemon is due to the presence of which of the following ? Formic acid Oxalic acid Citric acid Acetic acid Formic acid Oxalic acid Citric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Propylene Aniline Ethylene Acetylene Propylene Aniline Ethylene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an elimination reaction a condensation reaction an addition reaction an oxidation reaction an elimination reaction a condensation reaction an addition reaction an oxidation reaction 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 Absorption spectra Fluorescence Emission spectra Raman spectra Absorption spectra Fluorescence Emission spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? The paper ignites There is no reaction. There is a crackling sound There is a violent explosion. The paper ignites There is no reaction. There is a crackling sound There is a violent explosion. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic CaO MgO Al22O3 Na2O CaO MgO Al22O3 Na2O ANSWER DOWNLOAD EXAMIANS APP
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