Chemistry Which among the following metals provides amphoteric oxide ? Calcium Silver Sodium Aluminium Calcium Silver Sodium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Powder type Foam type None of these Soda acid type Powder type Foam type None of these Soda acid type ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen in water is commonly found in the form of Nitrate Nitrous oxide Nitrite Nitric oxide Nitrate Nitrous oxide Nitrite Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Methane and carbon dioxide Methane and carbon monoxide Isobutane and propane Carbon dioxide and oxygen Methane and carbon dioxide Methane and carbon monoxide Isobutane and propane Carbon dioxide and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Cat's-eye Pearl Topaz Opal Cat's-eye Pearl Topaz Opal ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the components responsible for acid rain? Nitrogen monoxide (NO) and Carbon monoxide (CO) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) ANSWER DOWNLOAD EXAMIANS APP
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