Chemistry 'Plaster of Paris' is made by partial dehydration of Epsom salt Green vitriol Blue vitriol Gypsum salt Epsom salt Green vitriol Blue vitriol Gypsum salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is present under pressure in soft drinks? Nitrous oxide Nitrogen Oxygen Carbon dioxide Nitrous oxide Nitrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the mixture of Carbon dioxide and nitrogen Carbon monoxide and hydrogen Carbon dioxide and hydrogen Carbon monoxide and nitrogen Carbon dioxide and nitrogen Carbon monoxide and hydrogen Carbon dioxide and hydrogen Carbon monoxide and nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Infra-red (IR) Ultraviolet rays (UV) X–rays Gamma rays Infra-red (IR) Ultraviolet rays (UV) X–rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Escherichia coli Saccharomyces cerevisiae Pseudomonas putida Bacillus subtilis Escherichia coli Saccharomyces cerevisiae Pseudomonas putida Bacillus subtilis ANSWER DOWNLOAD EXAMIANS APP