Chemistry In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by : Increasing the temperature Adding a catalyst Increasing the concentration of a reactant Increasing the concentration of a product Increasing the temperature Adding a catalyst Increasing the concentration of a reactant Increasing the concentration of a product ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called magnetic separation liquation leaching levigation magnetic separation liquation leaching levigation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Vanadium Argon Sulphur Iodine Vanadium Argon Sulphur Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is a fraction always less than its atomic number the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight a fraction always less than its atomic number the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most pure form of Carbon among the options is Graphite Wood Charcoal Lampblack Anthracite Graphite Wood Charcoal Lampblack Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fiber least prone to catch fire is Polyester Cotton Terylene Nylon Polyester Cotton Terylene Nylon ANSWER DOWNLOAD EXAMIANS APP