Advertisements
Advertisements
Question
Write the name.
Two highly reactive metals-
Solution
Two highly reactive metals- Lithium (Li), sodium (Na)
APPEARS IN
RELATED QUESTIONS
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Generally, non-metals react with acids. ( )
State one use of Mercury.
What is a thermite reaction? Explain with the help of an equation. State one use of this reaction.
Which of the following alloys contains mercury as one of the constituents?
(a) stainless steel
(b) solder
(c) duralumin
(d) zinc amalgam
Write ‘true’ or ‘false’ for the following statement :
Silver is used to make electric cables.
A metal which is neither ductile nor malleable is
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
______ is a liquid metal.
Name a metal which is best conductor of electricity :
Write name.
The nonmetal having electrical conductivity.
State a specific reason for using copper in electrical cables
The minerals from which the metal can be separated economically are called _______.
Halogen reacts with acid.
What is ductility?
The ability of metals to be drawn into thin wire is known as
______ is the first scientist who used the term element.
Give an example of a metal which
- is liquid at room temperature.
- is the best conductor of heat.
Name two major non-metals which are present in fertilisers and enhance the growth of plants.
The liquid metal at room temperature ______.
Metals have high melting points.