Popular Questions
- White lead is
- What is the number of free electrons present on each carbon atom in graphite ?
- Which glass has the highest percentage of lead?
- Which of the following does not contain silicon?
- Carborundum is
- Moderate electrical conductivity is shown by
- CO is poisonous gas, antidote for CO poisoning is
- The product formed in the reaction of SOCl2 with white phosphorus is
- Which has the smallest size ?
- Solid N2O5 is
- Which of the following phosphorus is the most reactive ?
- Which one of the following is least covalent in nature ?
- Which of the following oxides, at the same concentration when dissolved in water, results in the most acidic solutions ?
- Which is the anhydride of nitric acid ?
- Concentrated nitric acid, upon long standing, turns yellow-brown due to the formation of
- Which of the following is tetrabasic acid ?
- Which of the following is most acidic hydride of nitrogen ?
- The reaction of P4 with aqueous NaOH gives
- Which element is used in the preparation of pesticides ?
- Reaction of PCl3 and PhMgBr would give
- The most stable hydride is
- Which of the element of nitrogen family produce maximum number of oxyacids ?
- Which one of the following pentafluorides cannot be formed ?
- Sodium pyrophosphate is represented by which of the following formula ?
- Which are the products obtained when ammonia is reacted with excess chlorine ?
- The basicity of H3 PO4 is
- Zinc and cold dil.HNO3 reacts to produce
- The treatment of Cu with dilute HNO3 gives
- Which of the following oxyacids of phosphorus is a reducing agent and monobasic ?
- Pnicogens are the elements of group
- Which of the following forms vortex ring?
- Pb reacts with dilute HNO3 gives
- Which gas is evolved by the treatment of magnesium with very dilute solution of HNO3
