Chemistry The source of energy that causes the least global warming is Petroleum Geothermal energy Coal Natural Gas Petroleum Geothermal energy Coal Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is the heaviest in periodic table among the following ? Pt W Os Pb Pt W Os Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Copper Silver Zinc Aluminium Copper Silver Zinc Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Air exerts an upward force on the balloon The balloon is weightless Helium is less dense than air Helium pushes down on the air below the balloon Air exerts an upward force on the balloon The balloon is weightless Helium is less dense than air Helium pushes down on the air below the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Distillation Fractional distillation Evaporation Filtration Distillation Fractional distillation Evaporation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 115 127 112 118 115 127 112 118 ANSWER DOWNLOAD EXAMIANS APP
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