General Science Quartz crystals normally used in quartz clocks etc. is chemically Sodium Silicate Germanium Oxide Silicon Dioxide A mixture of Germanium Oxide and Silicon dioxide Sodium Silicate Germanium Oxide Silicon Dioxide A mixture of Germanium Oxide and Silicon dioxide ANSWER DOWNLOAD EXAMIANS APP
General Science Amalgams are Highly coloured alloys Alloys which have great resistance to abrasion Alloys which contain mercury as one of the contents Alloys which contain carbon Highly coloured alloys Alloys which have great resistance to abrasion Alloys which contain mercury as one of the contents Alloys which contain carbon ANSWER DOWNLOAD EXAMIANS APP
General Science Decibel is the unit for Speed of light Radio wave frequency Intensity of heat Intensity of sound Speed of light Radio wave frequency Intensity of heat Intensity of sound ANSWER DOWNLOAD EXAMIANS APP
General Science Which layer protects earth from harmful rays of the Sun? Troposphere Ionosphere Ozone layer Magnetosphere Troposphere Ionosphere Ozone layer Magnetosphere ANSWER DOWNLOAD EXAMIANS APP
General Science Marsh gas is Nitrogen Ethane Methane Hydrogen Nitrogen Ethane Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
General Science Bromine is a Colourless Gas Black Solid Highly Inflammable Gas Red Liquid Colourless Gas Black Solid Highly Inflammable Gas Red Liquid ANSWER DOWNLOAD EXAMIANS APP
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