Chemistry Which one of the following mineral does not contain oxygen ? Cryolite Bauxite Haematite Calcite Cryolite Bauxite Haematite Calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Softening Disinfection Coagulation Sedimentation Softening Disinfection Coagulation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Calcium carbonate equivalents Magnesium sulphate equivalents Magnesium carbonate equivalents Calcium sulphate equivalents Calcium carbonate equivalents Magnesium sulphate equivalents Magnesium carbonate equivalents Calcium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of NaCl crystal is Face centered cubic Octahedral Square planar Body centered cubic Face centered cubic Octahedral Square planar Body centered cubic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant inert gas in the atmosphere is Krypton Helium Argon Neon Krypton Helium Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Positron Alpha particles Beta particles Proton Positron Alpha particles Beta particles Proton ANSWER DOWNLOAD EXAMIANS APP
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