Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Uninterrupted power supply (UPS) Generator Battery Power transmittor Uninterrupted power supply (UPS) Generator Battery Power transmittor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Chromium Cadmium Copper Lead Chromium Cadmium Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Tin Aluminium Chromium Carbon Tin Aluminium Chromium Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide Ammonia and Ozone Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide Ammonia and Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Haemetite Magnetite None of these Limnonite Haemetite Magnetite None of these Limnonite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following phenomenon is considered responsible for Global Warming? Fire in coal mines Greenhouse effect Dry farming Trade winds Fire in coal mines Greenhouse effect Dry farming Trade winds ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS