Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More stable More abundant than hydrogen Lighter than hydrogen Non-combustible More stable More abundant than hydrogen Lighter than hydrogen Non-combustible ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Tinning Hot dipping Galvanising Electroplating Tinning Hot dipping Galvanising Electroplating ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Iron Copper Gold Silver Iron Copper Gold Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? Coal, Natural Gas and Petroleum Coal only Coal and Natural Gas only None of these Coal, Natural Gas and Petroleum Coal only Coal and Natural Gas only None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Ni Ti Fe Pb Ni Ti Fe Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry The items amenable to detection by soft x-rays are contrabands narcotics lead in bullets genuine coins from counterfeit coins contrabands narcotics lead in bullets genuine coins from counterfeit coins ANSWER DOWNLOAD EXAMIANS APP
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