Chemistry The most important ore of lead is Siderite Magnetite Galena Pyrolusite Siderite Magnetite Galena Pyrolusite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo chemical smog is a resultant of the reaction among NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening CO, O2 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening CO, O2 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 1 2 3 4 1 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Sulphur-di- oxide Urea Chlorine Ammonia Sulphur-di- oxide Urea Chlorine Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Oxygen Nitrogen Calcium Carbon Oxygen Nitrogen Calcium Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS