Chemistry Which of the following is usually not an air-pollutant? Sulphur dioxide Nitrous oxide Carbon dioxide Hydrocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Silicon Magnesium Oxygen Iron Silicon Magnesium Oxygen Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Smoke is formed due to Gas dispersed in gas Solid dispersed in gas Solid dispresed in liquid Gas dispresed in solid Gas dispersed in gas Solid dispersed in gas Solid dispresed in liquid Gas dispresed in solid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Citric acid Acetic acid Carbonic acid Lactic acid Citric acid Acetic acid Carbonic acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH value between 6.5-7.5 makes the soil Acidic Basic None of these Neutral Acidic Basic None of these Neutral ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Fractional distillation of liquid air Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water Fractional distillation of liquid air Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
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