Chemistry Which among the following is found in chlorophyll ? Fe2+ A l3+ Mg2+ Ca2+ Fe2+ A l3+ Mg2+ Ca2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicone is a polymer of Tetraalkyl silane Silane Dialkyl dichloro silane Silicon tetrachloride Tetraalkyl silane Silane Dialkyl dichloro silane Silicon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Sulphur dioxide Carbon monoxide Nitrous oxide Carbon dioxide Sulphur dioxide Carbon monoxide Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry A non-electronic conductor is Copper Sulphate Iron Gas Carbon None of these Copper Sulphate Iron Gas Carbon None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Experience collision less frequently Need less energy to move them Are lighter Have negative charge Experience collision less frequently Need less energy to move them Are lighter Have negative charge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fertilizer ? NH4NO3 Ca(CN)2 CaCN2 Urea NH4NO3 Ca(CN)2 CaCN2 Urea ANSWER DOWNLOAD EXAMIANS APP
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