Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Propane Butane Methane Ethane Propane Butane Methane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Lead sulphide Graphite Ferrous sulphide Lead Lead sulphide Graphite Ferrous sulphide Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is used in Solar energy devices Semiconductors Transistors All of these Solar energy devices Semiconductors Transistors All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Lead Copper Cadmium Chromium Lead Copper Cadmium Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 4 1 2 3 4 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? Coal, Natural Gas and Petroleum None of these Coal and Natural Gas only Coal only Coal, Natural Gas and Petroleum None of these Coal and Natural Gas only Coal only ANSWER DOWNLOAD EXAMIANS APP
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