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