Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1019 6.023 x 1023 4.84 x 1017 1.568 x 103 6.023 x 1019 6.023 x 1023 4.84 x 1017 1.568 x 103 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural resource, known as black gold is Tin Coal Platinum Lead Tin Coal Platinum Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Hydrocarbons Carbon dioxide Nitrous oxide Sulphur dioxide Hydrocarbons Carbon dioxide Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Metallic polysulphides Polyurethane Polystyrene Teflon Metallic polysulphides Polyurethane Polystyrene Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a derivative of barbituric acid Nembutal Veronal Equanil Amytal Nembutal Veronal Equanil Amytal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 3 billion years 100 years 0.01 minute 13 days 3 billion years 100 years 0.01 minute 13 days ANSWER DOWNLOAD EXAMIANS APP