Home » Chemistry » Helium is often used in observation balloons because it is?Helium is often used in observation balloons because it is? Helium is often used in observation balloons because it is? A. light and combustible B. light and non-combustible C. heavy and combustible D. heavy and non-combustible Correct Answer: Option B Explanation Related Posts When H2S is passed into a solution of iron (III) chloride, the solution turns An atom W has 17 electrons and 18 neutrons. Which of the following representations of… 146C → X + B X in the equation above represents A particle that contains 8 proton, 9 neutrons and 7 electrons could be written as? Which of the following pollutants is not usually recycled? The products of the reaction between CH3CH 2COOH and CH3OH are H 2 O and
