Chemistry Which one of the following is a micro-element ? Chlorine Nitrogen Oxygen Hydrogen Chlorine Nitrogen Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Nichrome Tungsten Zinc Copper Nichrome Tungsten Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of CO2 layer O3 layer O 2 layer SO2 layer CO2 layer O3 layer O 2 layer SO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is heaviest naturally-occurring element of the periodic element Iron Rhodium Thorium Uranium Iron Rhodium Thorium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Formic acid Citric acid Acetic acid Oxalic acid Formic acid Citric acid Acetic acid Oxalic acid 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
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