Chemistry Combustion of a candle is a/an Endothermic reaction Photochemical reaction Physical change Exothermic reaction Endothermic reaction Photochemical reaction Physical change Exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material which can be deformed permanently by heat and pressure is called a chemical compound thermoset polymer thermoplastic chemical compound thermoset polymer thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Chemistry If a buffer solution is diluted its pH Remains same Is decreased Is increased Will slowly increase and then it will decrease Remains same Is decreased Is increased Will slowly increase and then it will decrease ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Infrared Radio-waves Visible Ultraviolet Infrared Radio-waves Visible Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 2 : 16 : 1 1 : 16 : 2 1 : 1 : 1 2 : 16 : 2 2 : 16 : 1 1 : 16 : 2 1 : 1 : 1 2 : 16 : 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 146 330 92 238 146 330 92 238 ANSWER DOWNLOAD EXAMIANS APP
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