Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Radio-waves Infrared Ultraviolet Visible Radio-waves Infrared Ultraviolet Visible ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Oxygen Krypton Argon Nitrogen Oxygen Krypton Argon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Glass Paint Cement Gun powder Glass Paint Cement Gun powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Phthalic acid Terephthalic acid Benzoic Acid Salicylic acid Phthalic acid Terephthalic acid Benzoic Acid Salicylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeCO3 Fe3O4 FeS2 Fe2O3 FeCO3 Fe3O4 FeS2 Fe2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Coal Diesel Kerosene Hydrogen Coal Diesel Kerosene Hydrogen ANSWER DOWNLOAD EXAMIANS APP
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