Chemistry Which one of the following elements is used in the manufacture of safety matches? Phosphorus Sodium Silicon Graphite Phosphorus Sodium Silicon Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Neon Argon Helium Oxygen Neon Argon Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat required to raise the temperature of body by 1 K is called None of these water equivalent specific heat thermal capacity None of these water equivalent specific heat thermal capacity ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbocation Free radical Carbanion Carbene Carbocation Free radical Carbanion Carbene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Ammeter Hygrometer Acidmeter PH meter Ammeter Hygrometer Acidmeter PH meter ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Lead nitrate Potassium cyanide Zinc oxide Zinc phosphide Lead nitrate Potassium cyanide Zinc oxide Zinc phosphide ANSWER DOWNLOAD EXAMIANS APP
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