Chemistry Which of the following is an iron ore ? Magnetite Lignite Bauxite Nitrite Magnetite Lignite Bauxite Nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is an alloy of which of the following metals ? Silver Tin Aluminium Iron Silver Tin Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is chlorophyll aspirin caffeine nicotine chlorophyll aspirin caffeine nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is not present in stainless steel? Chromium Nickel Tungsten Iron Chromium Nickel Tungsten Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1023 1.568 x 103 6.023 x 1019 4.84 x 1017 6.023 x 1023 1.568 x 103 6.023 x 1019 4.84 x 1017 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Calcium hydroxide Magnesium hydroxide Magnesium carbonate Sodium bicarbonate Calcium hydroxide Magnesium hydroxide Magnesium carbonate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP