General Science Quartz crystals normally used in quartz clocks etc. is chemically A mixture of Germanium Oxide and Silicon dioxide Sodium Silicate Silicon Dioxide Germanium Oxide A mixture of Germanium Oxide and Silicon dioxide Sodium Silicate Silicon Dioxide Germanium Oxide ANSWER DOWNLOAD EXAMIANS APP
General Science Marsh gas is Ethane Hydrogen Methane Nitrogen Ethane Hydrogen Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
General Science The group of metals Fe, Co, Ni may best called as Rare metals Transition metals Main group metals Alkali metals Rare metals Transition metals Main group metals Alkali metals ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following is commonly called a 'poly-amide'? Rayon Terylene Nylon Orlon Rayon Terylene Nylon Orlon ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following is used in pencils? Silicon Graphite Charcoal Phosphorous Silicon Graphite Charcoal Phosphorous ANSWER DOWNLOAD EXAMIANS APP
General Science The two elements that are frequently used for making transistors are Boron and Aluminium Niobium and Columbium Iridium and Tungsten Silicon and Germanium Boron and Aluminium Niobium and Columbium Iridium and Tungsten Silicon and Germanium ANSWER DOWNLOAD EXAMIANS APP
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