Chemistry Highest percentage of carbon is found in which form of coal? Bituminous Lignite Anthracite Peat Bituminous Lignite Anthracite Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Molecular hydrides Ionic hydrides Polynuclear hydrides Metallic hydrides Molecular hydrides Ionic hydrides Polynuclear hydrides Metallic hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of (HPO3)3 is Cyclic Octahedral Tetrahedral Linear Cyclic Octahedral Tetrahedral Linear ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Hydrogen peroxide Saltpetre Sodium chloride Borax Hydrogen peroxide Saltpetre Sodium chloride Borax ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Magnesium Calcium Sodium Silicon Magnesium Calcium Sodium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium phosphide Hydrogenated wafers Aluminium sulphide Hydrogen sulphide Aluminium phosphide Hydrogenated wafers Aluminium sulphide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
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