Chemistry What is the principal ore of aluminium ? Lignite Copper Bauxite Dolomite Lignite Copper Bauxite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is bromine fluorine oxygen sodium bromine fluorine oxygen sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Lead Carbon Zinc Tin Lead Carbon Zinc Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because The balloon is weightless Helium is less dense than air Air exerts an upward force on the balloon Helium pushes down on the air below the balloon The balloon is weightless Helium is less dense than air Air exerts an upward force on the balloon Helium pushes down on the air below the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a characteristic feature of alloys? They are Mixtures Compounds Solutions Homogeneous systems Mixtures Compounds Solutions Homogeneous systems ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Petroleum Coal Firewood Natural Gas Petroleum Coal Firewood Natural Gas ANSWER DOWNLOAD EXAMIANS APP
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