Advertisements
Advertisements
प्रश्न
Name a non-metal which is liquid form at room temperature.
उत्तर
Bromine is liquid at room temperature.
APPEARS IN
संबंधित प्रश्न
Give reasons for the following.
Aluminium foils are used to wrap food items.
Give the name and formulae of two acidic oxides.
Metals are said to be shiny. Why do metals generally appear to be dull? How can their brightness be restored?
Name a metal that is most malleable
Give reasons
Copper is used in making electric cables.
Name the metals present in the following alloys
Duralumin
Name the metals present in the following alloys
Stainless steel
Statements given below are incorrect. Write the correct statements :
Soda water is prepared by dissolving washing soda in water.
Name one metal which is a liquid at room temperature
Name a metal which is lighter than water :
State any five physical properties of a non-metal.
`Mg -— → Mg^(2+)`
Select from the following ist:
`Fe_2O_3, , NO, PbO, Mn_2O_7`
Acidic oxide ………………
Explain how the activity series accounts for the following:
occurrence of metals
Give the balanced reactions for the following:
Magnesium reacts with boiling water
Fill in the Blank and Rewrite the Statements:
Elements showing properties of both metals and nonmetals are known as _________.
With reference to the physical properties of metals and non-metals, state the following exception.
A non-metal which has low tensile strength
______ is the only non-metal which conducts electricity.
Melting point of most metal is ______ than non-metal.
Tabulate the differences between metals and non-metals.