Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Lighter than hydrogen More abundant than hydrogen Non-combustible More stable Lighter than hydrogen More abundant than hydrogen Non-combustible More stable ANSWER DOWNLOAD EXAMIANS APP
Chemistry L.P.G. is mostly liquefied Oxygen Butane Methane Hydrogen Oxygen Butane Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 4 –3 to + 5 –3 to + 3 –3 to + 6 –3 to + 4 –3 to + 5 –3 to + 3 –3 to + 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used for converting vegetable oils into saturated fats ? Cl2 H2 SO2 O2 Cl2 H2 SO2 O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Clay Alumina Gypsum Alum Clay Alumina Gypsum Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Quartz Galena Mica Feldspar Quartz Galena Mica Feldspar ANSWER DOWNLOAD EXAMIANS APP
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