Chemistry What is the element that is in the highest percentage in the composition of the earth ? Silicon Iron Magnesium Oxygen Silicon Iron Magnesium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rectified spirit is : Methylated spirit Tincture iodine 95% ethyl alcohol 100% ethyl alcohol Methylated spirit Tincture iodine 95% ethyl alcohol 100% ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Bromine Carbon Phosphorous Sulphur Bromine Carbon Phosphorous Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleons are regarded as composites sub-particles known as Mesons Photons Quarks Leptons Mesons Photons Quarks Leptons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Acidity Eutrophication Alkalinity Hardness Acidity Eutrophication Alkalinity Hardness ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by Two bonds One bond Three bonds Four bonds Two bonds One bond Three bonds Four bonds ANSWER DOWNLOAD EXAMIANS APP
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