Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More stable Lighter than hydrogen More abundant than hydrogen Non-combustible More stable Lighter than hydrogen More abundant than hydrogen Non-combustible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Chromium Nickel Lead Zinc Chromium Nickel Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? Coal and Natural Gas only Coal only None of these Coal, Natural Gas and Petroleum Coal and Natural Gas only Coal only None of these Coal, Natural Gas and Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of NaOH SOCl2 Tollen's reagent NaHCO3 NaOH SOCl2 Tollen's reagent NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic MgO Al22O3 CaO Na2O MgO Al22O3 CaO Na2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest oxidizing agent among the following is: Chlorine Iodine Oxygen Fluorine Chlorine Iodine Oxygen Fluorine ANSWER DOWNLOAD EXAMIANS APP
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