Advertisements
Advertisements
Question
Name a non-metal which is a good conductor of electricity.
Advertisements
Solution
Graphite is a non-metal that is a good conductor of electricity.
APPEARS IN
RELATED QUESTIONS
Fill in the following blanks with suitable words :
An element is made up of only one kind of ........
Name two solid, two liquid and two gaseous elements at the room temperature.
What are (i) metals (ii) non-metals, and (iii) metalloids ? Give two examples each of metals, non-metals and metalloids.
Classify the following into metals, non-metals and metalloids:
Silicon, Mercury, Diamond, Sulphur, Iodine, Germanium, Sodium, Carbon, Magnesium, Copper, Boron, Helium
Which of the following are compounds ?
- CO
- No
- NO
- Co
The elements which normally exist in the liquid state are :
Name the different types of solutions. Give one example of each.
Name the process by which common salt is obtained from sea-water.
Name the process which can be used to purify an impure sample of copper sulphate.
Fill in the following blanks with suitable words :
A heterogeneous mixture of liquid and solid is conveniently separated by...............
Which method is better for recovering sugar from sugar solution : evaporation or crystallisation ? Give reason
for your answer.
One of the following does not undergo sublimation. This one is :
There are three liquids A, B and C, all having different densities and different boiling points. Liquids A and C are organic in nature whereas liquid B is considered to be inorganic. When liquids A and B are put together in a container, they form a single layer. On the other hand, when, liquids B and C are mixed, they form two separate layers :
(a) Which process will you use to separate a mixture of A and B ?
(b) Which method will you use to separate a mixture of B and C ?
(c) Name the liquids which would behave like (i) A (ii) B and (iii) C.
Name one pair of liquids which can be separated by using a separating funnel.
Name the metals that are used in jewellery.
The particles in the matter are extremely small and can be seen even with a powerful microscope.
Which among the following is not a matter?
Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions
Which statement is not correct for a mixture
Evaporation is always accompanied by ______ in temperature.
