Chemistry Which of the following is used for refrigeration? Sulphur dioxide Phosphine Chlorine Freon Sulphur dioxide Phosphine Chlorine Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamonds are glittering and attractive because light incident on them undergoes Hundred percent transmission Multiple surface reflections Highest refraction Multiple internal reflections Hundred percent transmission Multiple surface reflections Highest refraction Multiple internal reflections ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing The air around the sea is saltish Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing The air around the sea is saltish Sea beds have salt producing mines ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Burning of paper Burning of coal Conversion of water into steam Digestion of food Burning of paper Burning of coal Conversion of water into steam Digestion of food ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Lactic acid Citric acid Carbonic acid Acetic acid Lactic acid Citric acid Carbonic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes All of these Corrosion building materials Respiratory and lung disease Reduction in plant's productivity owing to acid rain All of these Corrosion building materials Respiratory and lung disease Reduction in plant's productivity owing to acid rain ANSWER DOWNLOAD EXAMIANS APP
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