Question Detail Which one of the following metals does not react with water to produce Hydrogen? CadmiumLithiumPotassiumSodium Answer: Option A Ad Similar Questions : 1. Which have maximum number of isotopes ? BromineAluminiumPoloniumCarbon Answer: Option C 2. The gas used for artificial ripening of green fruit is ? ethaneethylenecarbon dioxideacetylene Answer: Option B 3. Which of the following elements behave chemically both as a metal and a non metal? BoronCarbonArgonMercury Answer: Option A 4. The oxide of Nitrogen used in medicine as anaesthetic is ? Nitrogen pentoxideNitrous oxideNitric oxideNitrogen dioxide Answer: Option A 5. Identify the wrong statement in the following Atomic radius of the elements increases as one moves down the first group of the periodic tableAtomic radius of the elements decreases as one moves across from left to right in the 2nd period of theAmongst isoelectronic species, smaller the positive charge on the cation, smaller is the ionic radiusAmongst isoelectronic species, greater the negative charge on the anion, larger is the ionic radius Answer: Option C Read more from - Chemistry Questions Answers