Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Chromium Lead Copper Cadmium Chromium Lead Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Sulphur dioxide Methane Nitrogen dioxide Carbon monoxide Sulphur dioxide Methane Nitrogen dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Hydrogen Argon Neon Helium Hydrogen Argon Neon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following substance's smell is similar to Ethanoic acid? Tomato juice Lemon Kerosene Vinegar Tomato juice Lemon Kerosene Vinegar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Brass Air Iron Carbon–dioxide Brass Air Iron Carbon–dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Magnesium sulphate Calcium carbonate Sodium chloride Potassium chloride Magnesium sulphate Calcium carbonate Sodium chloride Potassium chloride ANSWER DOWNLOAD EXAMIANS APP
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