Advertisements
Advertisements
प्रश्न
Write ‘true’ or ‘false’ for the following statement :
Silver is used to make electric cables.
पर्याय
True
False
Advertisements
उत्तर
False
APPEARS IN
संबंधित प्रश्न
Fill in the blanks:
Metals react with acids to produce _________ gas.
What elements are present in steel?
For the reduction of a metal oxide, suggest a reducing agent other than carbon.
Mention two uses of the following metals and non-metals
Iodine
Give reasons
Magnesium is used in fire works.
Give reasons
Graphite is used in the leads of pencils
Statements given below are incorrect. Write the correct statements :
Aluminium is best conductor of electricity.
State the position of the following in the periodic table:
Aluminium
Write name.
The device used for grinding an ore.
Write scientific reason.
Anodes need to be replaced from time to time during the electrolysis of alumina.
Which is the non-ionic compound in the compounds given below.
AgNO3 + Nacl → AgCl + NaNO3
What is it made from? Why?
Electric cables
With reference to the following metals state their use in daily life metal:
Zinc
With reference to the following metals state their use in daily life metal:
Lead
State why telegraph poles are painted with aluminium paint.
Write the name.
Two highly reactive metals-
An element which is always lustrous, malleable and ductile is ______.
Compare the properties of metals and nonmetals. Give three examples for each.
Which one of the following metals do not react with cold as well as hot water?
______ is the first scientist who used the term element.
