General Science Quartz crystals normally used in quartz clocks etc. is chemically Sodium Silicate Germanium Oxide A mixture of Germanium Oxide and Silicon dioxide Silicon Dioxide Sodium Silicate Germanium Oxide A mixture of Germanium Oxide and Silicon dioxide Silicon Dioxide ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the gas is not known as green house gas? Nitrous oxide Hydrogen Carbon dioxide Methane Nitrous oxide Hydrogen Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
General Science Bromine is a Black Solid Red Liquid Colourless Gas Highly Inflammable Gas Black Solid Red Liquid Colourless Gas Highly Inflammable Gas ANSWER DOWNLOAD EXAMIANS APP
General Science The hardest substance available on earth is Gold Iron Diamond None of the listed here Gold Iron Diamond None of the listed here ANSWER DOWNLOAD EXAMIANS APP
General Science The variety of coal in which the deposit contains recognizable traces of the original plant material is Lignite Peat Bitumen Anthracite Lignite Peat Bitumen Anthracite ANSWER DOWNLOAD EXAMIANS APP