Advertisements
Advertisements
प्रश्न
Write ‘true’ or ‘false’ for the following statement
Sodium can be cut with a knife.
विकल्प
True
False
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Name one property which is characteristic of non-metals.
State one use of Carbon (as Graphite).
State one use of Nitrogen.
Metals are said to be shiny. Why do metals generally appear to be dull? How can their brightness be restored?
Name a non-metal which is extremely hard.
(a) Give the names and formulae of one metal chloride and one non-metal chloride.
(b) State an important property in which these metal chloride and non-metal chloride differ.
(c) Why do they differ in this property?
Name a metal as precious as gold
Name a non-metal that is used to kill germs in water
Give reasons
Copper is used in making electric cables.
Name the metals present in the following alloys
Stainless steel
Tick (√) the most appropriate answer.
Copper metal is used in :
Tick (√) the most appropriate answer.
A metal which is a poor conductor of electricity is:
State any five physical properties of a metal.
Physical properties of a metal :
What is an amalgam? How does an amalgam different from an alloy?
Name a liquid non-metal.
Name:
a metal which is brittle
Give the effect of heat on metal oxides based on the activity series ?
Which metal occurs as a sulphide also gives the name of their respective ore.
Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents?
The non – metal which is liquid at room temperature is ______.
