Chemistry Which one element from below list is liquid at room temperature Bromine Zinc Lead Argon Bromine Zinc Lead Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water Fractional distillation of liquid air Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water Fractional distillation of liquid air ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Magnesium sulphate Calcium carbonate Sodium chloride Potassium chloride Magnesium sulphate Calcium carbonate Sodium chloride Potassium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is made of Copper, tin and zinc Tin and lead Copper and zinc Copper and tin Copper, tin and zinc Tin and lead Copper and zinc Copper and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Need not be same Must be different Must be same Need not be different Need not be same Must be different Must be same Need not be different ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High polish Absorption of light due to the presence of cavities High density, due to closed packing of atoms Reflection of light due to the presence of free electrons High polish Absorption of light due to the presence of cavities High density, due to closed packing of atoms Reflection of light due to the presence of free electrons ANSWER DOWNLOAD EXAMIANS APP
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