Q. The electrical conductivity of calcium is much higher than any

View solution

Q. Percentage of Fe⁺² can be determined by

View solution

Q. In the process of oxidation, 20% of iron and steel is destroyed because of

View solution

Q. The reactions which cost a lot of money are the ones which are

View solution

Q. To determine that a substance is oxidized or reduced other factor to consider is

View solution

Q. Hydrated iron (III) is called

View solution

Q. The loss of oxygen from an element is simple

View solution

Q. When iron reacts with oxygen in the presence of water it produces

View solution

Q. The fuel in space shuttle's rocket burns due to the occurrence of

View solution

Q. The reaction in which oxidation and reduction takes place at same time is called as

View solution

Q. Gain of oxygen (O⁻²) by an element is termed as

View solution

Q. The lowest relative melting point among the four oxides is of

View solution

Q. Oxide with very high relative melting point is

View solution

Q. Oxidation state +2 of a compound have greater ionic character than oxidation state of

View solution

Q. Element to oxidize with low oxidation state needs

View solution

Q. The relative stability of oxidation states +2 and +4 decreases

View solution

Q. The oxidation number of chromium in K₂Cr₂O₇

View solution

Q. Elements in free state have oxidation state

View solution

Q. In KMnO₄, oxidation state of Mn is

View solution

Q. In the reaction 2Fe + 3Cl₂ → 2FeCl₃

View solution