Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Hydrogen peroxide Sodium chloride Saltpetre Borax Hydrogen peroxide Sodium chloride Saltpetre Borax ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Escherichia coli Pseudomonas putida Bacillus subtilis Saccharomyces cerevisiae Escherichia coli Pseudomonas putida Bacillus subtilis Saccharomyces cerevisiae ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Visible Ultraviolet Radio-waves Infrared Visible Ultraviolet Radio-waves Infrared ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? Oxygen Helium Nitrogen Hydrogen Oxygen Helium Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural polymer? Bakelite Starch Polythene Nylon Bakelite Starch Polythene Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Chlorine Phosphine Sulphur dioxide Freon Chlorine Phosphine Sulphur dioxide Freon ANSWER DOWNLOAD EXAMIANS APP
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