Chemistry What is the element required for solar energy conversion ? Ultra pure carbon Beryllium Tantalum Silicon Ultra pure carbon Beryllium Tantalum Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Haematite Magnetite Bauxite Siderite Haematite Magnetite Bauxite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of CH4 H2 CO2 N2 CH4 H2 CO2 N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Reduced crop yield Cancer Respiratory diseases (e.g.asthma) Silicosis Reduced crop yield Cancer Respiratory diseases (e.g.asthma) Silicosis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium salt of benzene carboxylic acid Sodium palmitate Sodium salt of benzene sulphonic acid Sodium stearate Sodium salt of benzene carboxylic acid Sodium palmitate Sodium salt of benzene sulphonic acid Sodium stearate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inert gases are ____ in water sparingly soluble soluble None of these insoluble sparingly soluble soluble None of these insoluble ANSWER DOWNLOAD EXAMIANS APP
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