Q. Sodium metal is stored in

View solution

Q. If poison is swallowed, then give one teaspoon of oil is taken

View solution

Q. In boiling point apparatus, the lower end of the thermometer bulb and the capillary tube must be

View solution

Q. In case of very small burns, the burnt place should be dipped in

View solution

Q. The lightest metal of group I-A is

View solution

Q. The chemical formula of Gypsum is

View solution

Q. The block in periodic table that contain noble metals

View solution

Q. The heaviest metal in the periodic table is

View solution

Q. Group-IIA elements are called

View solution

Q. Sodium reacts rapidly with water giving NaOH and gas

View solution

Q. The element is used for igniting aluminium powder in the thermite process

View solution

Q. The metal and its salt which imparts crimson red color to the flame is

View solution

Q. Sodium reacts with alcohol to form

View solution

Q. The metal which cannot be easily oxidized is

View solution

Q. The color of calcium ion is

View solution

Q. Example of the mild oxidizing agent is

View solution

Q. All group II-A elements react with hydrogen forming hydrides except

View solution

Q. Complete the following reaction V₂O₅ + →

View solution

Q. The color of fluorine is

View solution

Q. Alkalis are good reducing agent except

View solution