Q. The chemical formula of bleaching powder is

View solution

Q. The metal reacting readily with cold water is

View solution

Q. The metal ion with crimson color is

View solution

Q. The physical parameters from Li to Cs

View solution

Q. The reactivity of a non-metal is measured in terms of its tendency to

View solution

Q. The metal used for the manufacturing of fibre-glass is

View solution

Q. The name halogen is derived from Greek word which means

View solution

Q. KCl.MgCl₂.6H₂O is the chemical formula of

View solution

Q. Calcium burns in air giving a mixture of

View solution

Q. The melting point of tungsten is

View solution

Q. Soft metals are present in group

View solution

Q. 0.53 g/cm³ is a density of

View solution

Q. The reactivity of halogens down the group

View solution

Q. Cu, Au and Ag are commonly known as

View solution

Q. Chlorine reacts with methane in the sunlight to produce

View solution

Q. Formation of Grignard's reagent involves following equation C₂H₅I + Mg →

View solution

Q. The ionization energy of group I and II decreases and their reactivities

View solution

Q. Magnesium has great affinity for

View solution

Q. Which one of the following is used to kill bacteria in drinking water and swimming pools?

View solution

Q. The melting point of Mercury is

View solution