Chemistry Total number of halogen elements found in the periodic table is 5 8 13 3 5 8 13 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Helium Oxygen Hydrogen Nitrogen Helium Oxygen Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Tin Silicon Caesium Thallium Tin Silicon Caesium Thallium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Methyl bromide Ethylene ozonide Benzene D.T. Methyl bromide Ethylene ozonide Benzene D.T. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: A lowering of free energy Increase in free energy A lowering of entropy An increase in Internal energy A lowering of free energy Increase in free energy A lowering of entropy An increase in Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is A catalyst in burning fossil fuel An antioxidant A reductant An antiknock compound A catalyst in burning fossil fuel An antioxidant A reductant An antiknock compound ANSWER DOWNLOAD EXAMIANS APP
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