Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Radio-waves Visible Ultraviolet Infrared Radio-waves Visible Ultraviolet Infrared ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of a condensation reaction an addition reaction an oxidation reaction an elimination reaction a condensation reaction an addition reaction an oxidation reaction an elimination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material which can be deformed permanently by heat and pressure is called a thermoset polymer chemical compound thermoplastic thermoset polymer chemical compound thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is All of them Hydrogen Carbon dioxide Oxygen All of them Hydrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ Different atomic numbers and the same atomic mass The same atomic number but different atomic masses Different atomic numbers and different atomic mass The same atomic number and the atomic mass Different atomic numbers and the same atomic mass The same atomic number but different atomic masses Different atomic numbers and different atomic mass The same atomic number and the atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Free chlorine Free available chlorine Combined available chlorine Residual chlorine Free chlorine Free available chlorine Combined available chlorine Residual chlorine ANSWER DOWNLOAD EXAMIANS APP
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