Chemistry Which of the following is not a noble gas ? Argon Neon Hydrogen Helium Argon Neon Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Silicon Oxygen Calcium Nitrogen Silicon Oxygen Calcium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning garbage Burning coal Coal fire Steam engine Burning garbage Burning coal Coal fire Steam engine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Beta particles Positron Alpha particles Proton Beta particles Positron Alpha particles Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry If we burn graphite, Residue will be left No residue will be left It will not burn It will change into diamond Residue will be left No residue will be left It will not burn It will change into diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Alkalinity Acidity Eutrophication Hardness Alkalinity Acidity Eutrophication Hardness ANSWER DOWNLOAD EXAMIANS APP
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